woothemes / sensei

includes/class-sensei-grading.php

Indentation +326 added lines, -326 removed lines

@@ -21,8 +21,8 @@ 
 	/**
 	 * Constructor
 	 * @since  1.3.0
-     *
-     * @param $file
+	 *
+	 * @param $file
 	 */
 	public function __construct ( $file ) {
 		$this->name = __( 'Grading', 'woothemes-sensei' );
@@ -284,7 +284,7 @@ 
 		}
 		if ( isset( $_GET['user_id'] ) && 0 < intval( $_GET['user_id'] ) ) {
 
-            $user_name = Sensei_Student::get_full_name( $_GET['user_id'] );
+			$user_name = Sensei_Student::get_full_name( $_GET['user_id'] );
 			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;' . $user_name . '</span>';
 
 		} // End If Statement
@@ -318,7 +318,7 @@ 
 		}
 		if ( isset( $_GET['user'] ) && 0 < intval( $_GET['user'] ) ) {
 
-            $user_name = Sensei_Student::get_full_name( $_GET['user'] );
+			$user_name = Sensei_Student::get_full_name( $_GET['user'] );
 			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;' . $user_name . '</span>';
 
 		} // End If Statement
@@ -367,15 +367,15 @@ 
 	public function count_statuses( $args = array() ) {
 		global  $wpdb;
 
-        /**
-         * Filter fires inside Sensei_Grading::count_statuses
-         *
-         * Alter the the post_in array to determine which posts the
-         * comment query should be limited to.
-         * @since 1.8.0
-         * @param array $args
-         */
-        $args = apply_filters( 'sensei_count_statuses_args', $args );
+		/**
+		 * Filter fires inside Sensei_Grading::count_statuses
+		 *
+		 * Alter the the post_in array to determine which posts the
+		 * comment query should be limited to.
+		 * @since 1.8.0
+		 * @param array $args
+		 */
+		$args = apply_filters( 'sensei_count_statuses_args', $args );
 
 		if ( 'course' == $args['type'] ) {
 			$type = 'sensei_course_status';
@@ -387,7 +387,7 @@ 
 
 		$query = "SELECT comment_approved, COUNT( * ) AS total FROM {$wpdb->comments} WHERE comment_type = %s ";
 
-        // Restrict to specific posts
+		// Restrict to specific posts
 		if ( isset( $args['post__in'] ) && !empty( $args['post__in'] ) && is_array( $args['post__in'] ) ) {
 			$query .= ' AND comment_post_ID IN (' . implode( ',', array_map( 'absint', $args['post__in'] ) ) . ')';
 		}
@@ -522,148 +522,148 @@ 
 		return $html;
 	} // End lessons_drop_down_html()
 
-    /**
-     * The process grading function handles admin grading submissions.
-     *
-     * This function is hooked on to admin_init. It simply accepts
-     * the grades as the Grader selected theme and saves the total grade and
-     * individual question grades.
-     *
-     * @return bool
-     */
-    public function admin_process_grading_submission() {
+	/**
+	 * The process grading function handles admin grading submissions.
+	 *
+	 * This function is hooked on to admin_init. It simply accepts
+	 * the grades as the Grader selected theme and saves the total grade and
+	 * individual question grades.
+	 *
+	 * @return bool
+	 */
+	public function admin_process_grading_submission() {
 
-        // NEEDS REFACTOR/OPTIMISING, such as combining the various meta data stored against the sensei_user_answer entry
-        if( ! isset( $_POST['sensei_manual_grade'] )
-            || ! wp_verify_nonce( $_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading' )
-            || ! isset( $_GET['quiz_id'] )
-            || $_GET['quiz_id'] != $_POST['sensei_manual_grade'] ) {
+		// NEEDS REFACTOR/OPTIMISING, such as combining the various meta data stored against the sensei_user_answer entry
+		if( ! isset( $_POST['sensei_manual_grade'] )
+			|| ! wp_verify_nonce( $_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading' )
+			|| ! isset( $_GET['quiz_id'] )
+			|| $_GET['quiz_id'] != $_POST['sensei_manual_grade'] ) {
 
-            return false; //exit and do not grade
+			return false; //exit and do not grade
 
-        }
+		}
 
-        $quiz_id = $_GET['quiz_id'];
-        $user_id = $_GET['user'];
+		$quiz_id = $_GET['quiz_id'];
+		$user_id = $_GET['user'];
 
 
-        $questions = Sensei_Utils::sensei_get_quiz_questions( $quiz_id );
-        $quiz_lesson_id =  Sensei()->quiz->get_lesson_id( $quiz_id );
-        $quiz_grade = 0;
-        $count = 0;
-        $quiz_grade_total = $_POST['quiz_grade_total'];
-        $all_question_grades = array();
-        $all_answers_feedback = array();
+		$questions = Sensei_Utils::sensei_get_quiz_questions( $quiz_id );
+		$quiz_lesson_id =  Sensei()->quiz->get_lesson_id( $quiz_id );
+		$quiz_grade = 0;
+		$count = 0;
+		$quiz_grade_total = $_POST['quiz_grade_total'];
+		$all_question_grades = array();
+		$all_answers_feedback = array();
 
-        foreach( $questions as $question ) {
+		foreach( $questions as $question ) {
 
-            ++$count;
-            $question_id = $question->ID;
+			++$count;
+			$question_id = $question->ID;
 
-            if( isset( $_POST[ 'question_' . $question_id ] ) ) {
+			if( isset( $_POST[ 'question_' . $question_id ] ) ) {
 
-                $question_grade = 0;
-                if( $_POST[ 'question_' . $question_id ] == 'right' ) {
+				$question_grade = 0;
+				if( $_POST[ 'question_' . $question_id ] == 'right' ) {
 
-                    $question_grade = $_POST[ 'question_' . $question_id . '_grade' ];
+					$question_grade = $_POST[ 'question_' . $question_id . '_grade' ];
 
-                }
+				}
 
-                // add data to the array that will, after the loop, be stored on the lesson status
-                $all_question_grades[ $question_id ] = $question_grade;
+				// add data to the array that will, after the loop, be stored on the lesson status
+				$all_question_grades[ $question_id ] = $question_grade;
 
-                // tally up the total quiz grade
-                $quiz_grade += $question_grade;
+				// tally up the total quiz grade
+				$quiz_grade += $question_grade;
 
-            } // endif
+			} // endif
 
-            // Question answer feedback / notes
-            $question_feedback = '';
-            if( isset( $_POST[ 'questions_feedback' ][ $question_id ] ) ){
+			// Question answer feedback / notes
+			$question_feedback = '';
+			if( isset( $_POST[ 'questions_feedback' ][ $question_id ] ) ){
 
-                $question_feedback = wp_unslash( $_POST[ 'questions_feedback' ][ $question_id ] );
+				$question_feedback = wp_unslash( $_POST[ 'questions_feedback' ][ $question_id ] );
 
-            }
-            $all_answers_feedback[ $question_id ] = $question_feedback;
+			}
+			$all_answers_feedback[ $question_id ] = $question_feedback;
 
-        } // end for each $questions
+		} // end for each $questions
 
-        //store all question grades on the lesson status
-        Sensei()->quiz->set_user_grades( $all_question_grades, $quiz_lesson_id , $user_id );
+		//store all question grades on the lesson status
+		Sensei()->quiz->set_user_grades( $all_question_grades, $quiz_lesson_id , $user_id );
 
-        //store the feedback from grading
-        Sensei()->quiz->save_user_answers_feedback( $all_answers_feedback, $quiz_lesson_id , $user_id );
+		//store the feedback from grading
+		Sensei()->quiz->save_user_answers_feedback( $all_answers_feedback, $quiz_lesson_id , $user_id );
 
-        // $_POST['all_questions_graded'] is set when all questions have been graded
-        // in the class sensei grading user quiz -> display()
-        if( $_POST['all_questions_graded'] == 'yes' ) {
+		// $_POST['all_questions_graded'] is set when all questions have been graded
+		// in the class sensei grading user quiz -> display()
+		if( $_POST['all_questions_graded'] == 'yes' ) {
 
-            // set the users total quiz grade
+			// set the users total quiz grade
 			if ( 0 < intval( $quiz_grade_total ) ) {
-            $grade = abs( round( ( doubleval( $quiz_grade ) * 100 ) / ( $quiz_grade_total ), 2 ) );
+			$grade = abs( round( ( doubleval( $quiz_grade ) * 100 ) / ( $quiz_grade_total ), 2 ) );
 			}
 			else {
 				$grade = 0;
 			}
-            Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id );
-
-            // Duplicating what Frontend->sensei_complete_quiz() does
-            $pass_required = get_post_meta( $quiz_id, '_pass_required', true );
-            $quiz_passmark = abs( round( doubleval( get_post_meta( $quiz_id, '_quiz_passmark', true ) ), 2 ) );
-            $lesson_metadata = array();
-            if ( $pass_required ) {
-                // Student has reached the pass mark and lesson is complete
-                if ( $quiz_passmark <= $grade ) {
-                    $lesson_status = 'passed';
-                }
-                else {
-                    $lesson_status = 'failed';
-                } // End If Statement
-            }
-            // Student only has to partake the quiz
-            else {
-                $lesson_status = 'graded';
-            }
-            $lesson_metadata['grade'] = $grade; // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz()" above
+			Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id );
+
+			// Duplicating what Frontend->sensei_complete_quiz() does
+			$pass_required = get_post_meta( $quiz_id, '_pass_required', true );
+			$quiz_passmark = abs( round( doubleval( get_post_meta( $quiz_id, '_quiz_passmark', true ) ), 2 ) );
+			$lesson_metadata = array();
+			if ( $pass_required ) {
+				// Student has reached the pass mark and lesson is complete
+				if ( $quiz_passmark <= $grade ) {
+					$lesson_status = 'passed';
+				}
+				else {
+					$lesson_status = 'failed';
+				} // End If Statement
+			}
+			// Student only has to partake the quiz
+			else {
+				$lesson_status = 'graded';
+			}
+			$lesson_metadata['grade'] = $grade; // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz()" above
 
-            Sensei_Utils::update_lesson_status( $user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata );
+			Sensei_Utils::update_lesson_status( $user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata );
 
-            if(  in_array( $lesson_status, array( 'passed', 'graded'  ) ) ) {
+			if(  in_array( $lesson_status, array( 'passed', 'graded'  ) ) ) {
 
-                /**
-                 * Summary.
-                 *
-                 * Description.
-                 *
-                 * @since 1.7.0
-                 *
-                 * @param int  $user_id
-                 * @param int $quiz_lesson_id
-                 */
-                do_action( 'sensei_user_lesson_end', $user_id, $quiz_lesson_id );
+				/**
+				 * Summary.
+				 *
+				 * Description.
+				 *
+				 * @since 1.7.0
+				 *
+				 * @param int  $user_id
+				 * @param int $quiz_lesson_id
+				 */
+				do_action( 'sensei_user_lesson_end', $user_id, $quiz_lesson_id );
 
-            } // end if in_array
+			} // end if in_array
 
-        }// end if $_POST['all_que...
+		}// end if $_POST['all_que...
 
-        if( isset( $_POST['sensei_grade_next_learner'] ) && strlen( $_POST['sensei_grade_next_learner'] ) > 0 ) {
+		if( isset( $_POST['sensei_grade_next_learner'] ) && strlen( $_POST['sensei_grade_next_learner'] ) > 0 ) {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ) );
+			$load_url = add_query_arg( array( 'message' => 'graded' ) );
 
-        } elseif ( isset( $_POST['_wp_http_referer'] ) ) {
+		} elseif ( isset( $_POST['_wp_http_referer'] ) ) {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ), $_POST['_wp_http_referer'] );
+			$load_url = add_query_arg( array( 'message' => 'graded' ), $_POST['_wp_http_referer'] );
 
-        } else {
+		} else {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ) );
+			$load_url = add_query_arg( array( 'message' => 'graded' ) );
 
-        }
+		}
 
-        wp_safe_redirect( esc_url_raw( $load_url ) );
-        exit;
+		wp_safe_redirect( esc_url_raw( $load_url ) );
+		exit;
 
-    } // end admin_process_grading_submission
+	} // end admin_process_grading_submission
 
 	public function get_redirect_url() {
 		// Parse POST data
@@ -708,283 +708,283 @@ 
 		} // End If Statement
 	} // End sensei_grading_notices()
 
-    /**
-     * Grade quiz automatically
-     *
-     * This function grades each question automatically if there all questions are auto gradable. If not
-     * the quiz will not be auto gradable.
-     *
-     * @since 1.7.4
-     *
-     * @param  integer $quiz_id         ID of quiz
-     * @param  array $submitted questions id ans answers {
-     *          @type int $question_id
-     *          @type mixed $answer
-     * }
-     * @param  integer $total_questions Total questions in quiz (not used)
-     * @param string $quiz_grade_type Optional defaults to auto
-     *
-     * @return int $quiz_grade total sum of all question grades
-     */
-    public static function grade_quiz_auto( $quiz_id = 0, $submitted = array(), $total_questions = 0, $quiz_grade_type = 'auto' ) {
-
-        if( ! ( intval( $quiz_id ) > 0 )  || ! $submitted
-            || $quiz_grade_type != 'auto' ) {
-            return false; // exit early
-        }
-
-
-        $user_id = get_current_user_id();
-        $lesson_id =  Sensei()->quiz->get_lesson_id(  $quiz_id ) ;
-        $quiz_autogradable = true;
-
-        /**
-         * Filter the types of question types that can be automatically graded.
-         *
-         * This filter fires inside the auto grade quiz function and provides you with the default list.
-         *
-         * @param array {
-         *      'multiple-choice',
-         *      'boolean',
-         *      'gap-fill'.
-         * }
-         */
-        $autogradable_question_types = apply_filters( 'sensei_autogradable_question_types', array( 'multiple-choice', 'boolean', 'gap-fill' ) );
-
-        $grade_total = 0;
-        $all_question_grades = array();
-        foreach( $submitted as $question_id => $answer ) {
-
-            // check if the question is autogradable, either by type, or because the grade is 0
-            $question_type = Sensei()->question->get_question_type( $question_id );
+	/**
+	 * Grade quiz automatically
+	 *
+	 * This function grades each question automatically if there all questions are auto gradable. If not
+	 * the quiz will not be auto gradable.
+	 *
+	 * @since 1.7.4
+	 *
+	 * @param  integer $quiz_id         ID of quiz
+	 * @param  array $submitted questions id ans answers {
+	 *          @type int $question_id
+	 *          @type mixed $answer
+	 * }
+	 * @param  integer $total_questions Total questions in quiz (not used)
+	 * @param string $quiz_grade_type Optional defaults to auto
+	 *
+	 * @return int $quiz_grade total sum of all question grades
+	 */
+	public static function grade_quiz_auto( $quiz_id = 0, $submitted = array(), $total_questions = 0, $quiz_grade_type = 'auto' ) {
+
+		if( ! ( intval( $quiz_id ) > 0 )  || ! $submitted
+			|| $quiz_grade_type != 'auto' ) {
+			return false; // exit early
+		}
+
+
+		$user_id = get_current_user_id();
+		$lesson_id =  Sensei()->quiz->get_lesson_id(  $quiz_id ) ;
+		$quiz_autogradable = true;
+
+		/**
+		 * Filter the types of question types that can be automatically graded.
+		 *
+		 * This filter fires inside the auto grade quiz function and provides you with the default list.
+		 *
+		 * @param array {
+		 *      'multiple-choice',
+		 *      'boolean',
+		 *      'gap-fill'.
+		 * }
+		 */
+		$autogradable_question_types = apply_filters( 'sensei_autogradable_question_types', array( 'multiple-choice', 'boolean', 'gap-fill' ) );
+
+		$grade_total = 0;
+		$all_question_grades = array();
+		foreach( $submitted as $question_id => $answer ) {
+
+			// check if the question is autogradable, either by type, or because the grade is 0
+			$question_type = Sensei()->question->get_question_type( $question_id );
 			$achievable_grade = Sensei()->question->get_question_grade( $question_id );
 			// Question has a zero grade, so skip grading
 			if ( 0 == $achievable_grade ) {
 				$all_question_grades[ $question_id ] = $achievable_grade;
 			}
-            elseif ( in_array( $question_type, $autogradable_question_types ) ) {
-                // Get user question grade
-                $question_grade = Sensei_Utils::sensei_grade_question_auto( $question_id, $question_type, $answer, $user_id );
-                $all_question_grades[ $question_id ] = $question_grade;
-                $grade_total += $question_grade;
+			elseif ( in_array( $question_type, $autogradable_question_types ) ) {
+				// Get user question grade
+				$question_grade = Sensei_Utils::sensei_grade_question_auto( $question_id, $question_type, $answer, $user_id );
+				$all_question_grades[ $question_id ] = $question_grade;
+				$grade_total += $question_grade;
 
-            } else {
+			} else {
 
-                // There is a question that cannot be autograded
-                $quiz_autogradable = false;
+				// There is a question that cannot be autograded
+				$quiz_autogradable = false;
 
-            } // end if in_array( $question_type...
+			} // end if in_array( $question_type...
 
-        }// end for each question
+		}// end for each question
 
-        // Only if the whole quiz was autogradable do we set a grade
-        if ( $quiz_autogradable ) {
+		// Only if the whole quiz was autogradable do we set a grade
+		if ( $quiz_autogradable ) {
 
-            $quiz_total = Sensei_Utils::sensei_get_quiz_total( $quiz_id );
+			$quiz_total = Sensei_Utils::sensei_get_quiz_total( $quiz_id );
 			// Check for zero total from grades
 			if ( 0 < $quiz_total ) {
-            $grade = abs( round( ( doubleval( $grade_total ) * 100 ) / ( $quiz_total ), 2 ) );
+			$grade = abs( round( ( doubleval( $grade_total ) * 100 ) / ( $quiz_total ), 2 ) );
 			}
 			else {
 				$grade = 0;
 			}
-            Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id, $quiz_grade_type );
+			Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id, $quiz_grade_type );
 
-        } else {
+		} else {
 
-            $grade = new WP_Error( 'autograde', __( 'This quiz is not able to be automatically graded.', 'woothemes-sensei' ) );
+			$grade = new WP_Error( 'autograde', __( 'This quiz is not able to be automatically graded.', 'woothemes-sensei' ) );
 
-        }
-
-        // store the auto gradable grades. If the quiz is not auto gradable the grades can be use as the default
-        // when doing manual grading.
-        Sensei()->quiz-> set_user_grades( $all_question_grades, $lesson_id, $user_id );
+		}
 
-        return $grade;
+		// store the auto gradable grades. If the quiz is not auto gradable the grades can be use as the default
+		// when doing manual grading.
+		Sensei()->quiz-> set_user_grades( $all_question_grades, $lesson_id, $user_id );
 
-    } // End grade_quiz_auto()
+		return $grade;
 
-    /**
-     * Grade question automatically
-     *
-     * This function checks the question typ and then grades it accordingly.
-     *
-     * @since 1.7.4
-     *
-     * @param integer $question_id
-     * @param string $question_type of the standard Sensei question types
-     * @param string $answer
-     * @param int $user_id
-     *
-     * @return int $question_grade
-     */
-    public static function grade_question_auto( $question_id = 0, $question_type = '', $answer = '', $user_id = 0 ) {
-
-        if( intval( $user_id ) == 0 ) {
-
-            $user_id = get_current_user_id();
-
-        }
-
-        if( ! ( intval( $question_id ) > 0 ) ) {
-
-            return false;
-
-        }
-
-
-        Sensei()->question->get_question_type( $question_id );
-
-        /**
-         * Applying a grade before the auto grading takes place.
-         *
-         * This filter is applied just before the question is auto graded. It fires in the context of a single question
-         * in the sensei_grade_question_auto function. It fires irrespective of the question type. If you return a value
-         * other than false the auto grade functionality will be ignored and your supplied grade will be user for this question.
-         *
-         * @param int $question_grade default false
-         * @param int $question_id
-         * @param string $question_type one of the Sensei question type.
-         * @param string $answer user supplied question answer
-         */
-        $question_grade = apply_filters( 'sensei_pre_grade_question_auto', false, $question_id, $question_type, $answer );
+	} // End grade_quiz_auto()
 
-        if ( false !== $question_grade ) {
+	/**
+	 * Grade question automatically
+	 *
+	 * This function checks the question typ and then grades it accordingly.
+	 *
+	 * @since 1.7.4
+	 *
+	 * @param integer $question_id
+	 * @param string $question_type of the standard Sensei question types
+	 * @param string $answer
+	 * @param int $user_id
+	 *
+	 * @return int $question_grade
+	 */
+	public static function grade_question_auto( $question_id = 0, $question_type = '', $answer = '', $user_id = 0 ) {
+
+		if( intval( $user_id ) == 0 ) {
+
+			$user_id = get_current_user_id();
+
+		}
+
+		if( ! ( intval( $question_id ) > 0 ) ) {
+
+			return false;
+
+		}
+
+
+		Sensei()->question->get_question_type( $question_id );
+
+		/**
+		 * Applying a grade before the auto grading takes place.
+		 *
+		 * This filter is applied just before the question is auto graded. It fires in the context of a single question
+		 * in the sensei_grade_question_auto function. It fires irrespective of the question type. If you return a value
+		 * other than false the auto grade functionality will be ignored and your supplied grade will be user for this question.
+		 *
+		 * @param int $question_grade default false
+		 * @param int $question_id
+		 * @param string $question_type one of the Sensei question type.
+		 * @param string $answer user supplied question answer
+		 */
+		$question_grade = apply_filters( 'sensei_pre_grade_question_auto', false, $question_id, $question_type, $answer );
 
-            return $question_grade;
+		if ( false !== $question_grade ) {
 
-        }
+			return $question_grade;
 
-        // auto grading core
-        if( in_array( $question_type ,  array( 'multiple-choice'  , 'boolean'  ) )   ){
+		}
 
-            $right_answer = (array) get_post_meta( $question_id, '_question_right_answer', true );
+		// auto grading core
+		if( in_array( $question_type ,  array( 'multiple-choice'  , 'boolean'  ) )   ){
 
-            if( 0 == get_magic_quotes_gpc() ) {
-                $answer = wp_unslash( $answer );
-            }
-            $answer = (array) $answer;
-            if ( is_array( $right_answer ) && count( $right_answer ) == count( $answer ) ) {
-                // Loop through all answers ensure none are 'missing'
-                $all_correct = true;
-                foreach ( $answer as $check_answer ) {
-                    if ( !in_array( $check_answer, $right_answer ) ) {
-                        $all_correct = false;
-                    }
-                }
-                // If all correct then grade
-                if ( $all_correct ) {
-                    $question_grade = Sensei()->question->get_question_grade( $question_id );
-                }
-            }
+			$right_answer = (array) get_post_meta( $question_id, '_question_right_answer', true );
 
-        } elseif( 'gap-fill' == $question_type ){
+			if( 0 == get_magic_quotes_gpc() ) {
+				$answer = wp_unslash( $answer );
+			}
+			$answer = (array) $answer;
+			if ( is_array( $right_answer ) && count( $right_answer ) == count( $answer ) ) {
+				// Loop through all answers ensure none are 'missing'
+				$all_correct = true;
+				foreach ( $answer as $check_answer ) {
+					if ( !in_array( $check_answer, $right_answer ) ) {
+						$all_correct = false;
+					}
+				}
+				// If all correct then grade
+				if ( $all_correct ) {
+					$question_grade = Sensei()->question->get_question_grade( $question_id );
+				}
+			}
 
-            $question_grade = self::grade_gap_fill_question( $question_id ,$answer );
+		} elseif( 'gap-fill' == $question_type ){
 
-        } else{
+			$question_grade = self::grade_gap_fill_question( $question_id ,$answer );
 
-            /**
-             * Grading questions that are not auto gradable.
-             *
-             * This filter is applied the context of ta single question within the sensei_grade_question_auto function.
-             * It fires for all other questions types. It does not apply to 'multiple-choice'  , 'boolean' and gap-fill.
-             *
-             * @param int $question_grade default zero
-             * @param int $question_id
-             * @param string $question_type one of the Sensei question type.
-             * @param string $answer user supplied question answer
-             */
-            $question_grade = ( int ) apply_filters( 'sensei_grade_question_auto', $question_grade, $question_id, $question_type, $answer );
+		} else{
 
-        } // end if $question_type
+			/**
+			 * Grading questions that are not auto gradable.
+			 *
+			 * This filter is applied the context of ta single question within the sensei_grade_question_auto function.
+			 * It fires for all other questions types. It does not apply to 'multiple-choice'  , 'boolean' and gap-fill.
+			 *
+			 * @param int $question_grade default zero
+			 * @param int $question_id
+			 * @param string $question_type one of the Sensei question type.
+			 * @param string $answer user supplied question answer
+			 */
+			$question_grade = ( int ) apply_filters( 'sensei_grade_question_auto', $question_grade, $question_id, $question_type, $answer );
 
-        return $question_grade;
-    } // end grade_question_auto
+		} // end if $question_type
 
-    /**
-     * Grading logic specifically for the gap fill questions
-     *
-     * @since 1.9.0
-     * @param $question_id
-     * @param $user_answer
-     *
-     * @return bool | int false or the grade given to the user answer
-     */
-    public static function grade_gap_fill_question( $question_id, $user_answer ){
+		return $question_grade;
+	} // end grade_question_auto
 
-        $right_answer = get_post_meta( $question_id, '_question_right_answer', true );
-        $gapfill_array = explode( '||', $right_answer );
+	/**
+	 * Grading logic specifically for the gap fill questions
+	 *
+	 * @since 1.9.0
+	 * @param $question_id
+	 * @param $user_answer
+	 *
+	 * @return bool | int false or the grade given to the user answer
+	 */
+	public static function grade_gap_fill_question( $question_id, $user_answer ){
 
-        if( 0 == get_magic_quotes_gpc() ) { // deprecated from PHP 5.4 but we still support PHP 5.2
-            $user_answer = wp_unslash( $user_answer );
-        }
+		$right_answer = get_post_meta( $question_id, '_question_right_answer', true );
+		$gapfill_array = explode( '||', $right_answer );
 
-        /**
-         * case sensitive grading filter
-         *
-         * alter the value simply use this code in your plugin or the themes functions.php
-         * add_filter( 'sensei_gap_fill_case_sensitive_grading','__return_true' );
-         *
-         * @param bool $do_case_sensitive_comparison default false.
-         *
-         * @since 1.9.0
-         */
-        $do_case_sensitive_comparison = apply_filters('sensei_gap_fill_case_sensitive_grading', false );
+		if( 0 == get_magic_quotes_gpc() ) { // deprecated from PHP 5.4 but we still support PHP 5.2
+			$user_answer = wp_unslash( $user_answer );
+		}
+
+		/**
+		 * case sensitive grading filter
+		 *
+		 * alter the value simply use this code in your plugin or the themes functions.php
+		 * add_filter( 'sensei_gap_fill_case_sensitive_grading','__return_true' );
+		 *
+		 * @param bool $do_case_sensitive_comparison default false.
+		 *
+		 * @since 1.9.0
+		 */
+		$do_case_sensitive_comparison = apply_filters('sensei_gap_fill_case_sensitive_grading', false );
 
-        if( $do_case_sensitive_comparison ){
+		if( $do_case_sensitive_comparison ){
 
-            // Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
-            if ( trim(($gapfill_array[1])) == trim( $user_answer ) ) {
+			// Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
+			if ( trim(($gapfill_array[1])) == trim( $user_answer ) ) {
 
-                return Sensei()->question->get_question_grade( $question_id );
+				return Sensei()->question->get_question_grade( $question_id );
 
-            } else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
+			} else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
 
-                if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
+				if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
 
-                    return Sensei()->question->get_question_grade($question_id);
+					return Sensei()->question->get_question_grade($question_id);
 
-                }else{
+				}else{
 
-                    return false;
+					return false;
 
-                }
+				}
 
-            }else{
+			}else{
 
-                return false;
+				return false;
 
-            }
+			}
 
-        }else{
+		}else{
 
-            // Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
-            if ( trim(strtolower($gapfill_array[1])) == trim(strtolower( $user_answer )) ) {
+			// Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
+			if ( trim(strtolower($gapfill_array[1])) == trim(strtolower( $user_answer )) ) {
 
-               return Sensei()->question->get_question_grade( $question_id );
+			   return Sensei()->question->get_question_grade( $question_id );
 
-            } else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
+			} else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
 
-                if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
+				if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
 
-                    return  Sensei()->question->get_question_grade( $question_id );
+					return  Sensei()->question->get_question_grade( $question_id );
 
-                }else{
+				}else{
 
-                    return false;
+					return false;
 
-                }
+				}
 
-            }else{
+			}else{
 
-                return false;
+				return false;
 
-            }
+			}
 
-        }
+		}
 
-    }
+	}
 
 } // End Class
 

Spacing +242 added lines, -242 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Grading Class
@@ -24,30 +24,30 @@ 
      *
      * @param $file
 	 */
-	public function __construct ( $file ) {
-		$this->name = __( 'Grading', 'woothemes-sensei' );
+	public function __construct($file) {
+		$this->name = __('Grading', 'woothemes-sensei');
 		$this->file = $file;
 		$this->page_slug = 'sensei_grading';
 
 		// Admin functions
-		if ( is_admin() ) {
-			add_action( 'admin_menu', array( $this, 'grading_admin_menu' ), 20);
-			add_action( 'grading_wrapper_container', array( $this, 'wrapper_container'  ) );
-			if ( isset( $_GET['page'] ) && ( $_GET['page'] == $this->page_slug ) ) {
-				add_action( 'admin_print_scripts', array( $this, 'enqueue_scripts' ) );
-				add_action( 'admin_print_styles', array( $this, 'enqueue_styles' ) );
+		if (is_admin()) {
+			add_action('admin_menu', array($this, 'grading_admin_menu'), 20);
+			add_action('grading_wrapper_container', array($this, 'wrapper_container'));
+			if (isset($_GET['page']) && ($_GET['page'] == $this->page_slug)) {
+				add_action('admin_print_scripts', array($this, 'enqueue_scripts'));
+				add_action('admin_print_styles', array($this, 'enqueue_styles'));
 			}
 
-			add_action( 'admin_init', array( $this, 'admin_process_grading_submission' ) );
+			add_action('admin_init', array($this, 'admin_process_grading_submission'));
 
-			add_action( 'admin_notices', array( $this, 'add_grading_notices' ) );
+			add_action('admin_notices', array($this, 'add_grading_notices'));
 //			add_action( 'sensei_grading_notices', array( $this, 'sensei_grading_notices' ) );
 		} // End If Statement
 
 		// Ajax functions
-		if ( is_admin() ) {
-			add_action( 'wp_ajax_get_lessons_dropdown', array( $this, 'get_lessons_dropdown' ) );
-			add_action( 'wp_ajax_get_redirect_url', array( $this, 'get_redirect_url' ) );
+		if (is_admin()) {
+			add_action('wp_ajax_get_lessons_dropdown', array($this, 'get_lessons_dropdown'));
+			add_action('wp_ajax_get_redirect_url', array($this, 'get_redirect_url'));
 		} // End If Statement
 	} // End __construct()
 
@@ -60,8 +60,8 @@ 
 	public function grading_admin_menu() {
 		global $menu;
 
-		if ( current_user_can( 'manage_sensei_grades' ) ) {
-			$grading_page = add_submenu_page('sensei', __('Grading', 'woothemes-sensei'),  __('Grading', 'woothemes-sensei') , 'manage_sensei_grades', $this->page_slug, array( $this, 'grading_page' ) );
+		if (current_user_can('manage_sensei_grades')) {
+			$grading_page = add_submenu_page('sensei', __('Grading', 'woothemes-sensei'), __('Grading', 'woothemes-sensei'), 'manage_sensei_grades', $this->page_slug, array($this, 'grading_page'));
 		}
 
 	} // End grading_admin_menu()
@@ -74,13 +74,13 @@ 
 	 * @since 1.3.0
 	 * @return void
 	 */
-	public function enqueue_scripts () {
+	public function enqueue_scripts() {
 
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
 		// Load Grading JS
-		wp_enqueue_script( 'sensei-grading-general', Sensei()->plugin_url . 'assets/js/grading-general' . $suffix . '.js', array( 'jquery' ), Sensei()->version );
+		wp_enqueue_script('sensei-grading-general', Sensei()->plugin_url.'assets/js/grading-general'.$suffix.'.js', array('jquery'), Sensei()->version);
 
 	} // End enqueue_scripts()
 
@@ -92,11 +92,11 @@ 
 	 * @since 1.0.0
 	 * @return void
 	 */
-	public function enqueue_styles () {
+	public function enqueue_styles() {
 
-		wp_enqueue_style( Sensei()->token . '-admin' );
+		wp_enqueue_style(Sensei()->token.'-admin');
 
-		wp_enqueue_style( 'woothemes-sensei-settings-api', Sensei()->plugin_url . 'assets/css/settings.css', '', Sensei()->version );
+		wp_enqueue_style('woothemes-sensei-settings-api', Sensei()->plugin_url.'assets/css/settings.css', '', Sensei()->version);
 
 	} // End enqueue_styles()
 
@@ -108,12 +108,12 @@ 
 	public function load_data_table_files() {
 
 		// Load Grading Classes
-		$classes_to_load = array(	'list-table',
+		$classes_to_load = array('list-table',
 									'grading-main',
 									'grading-user-quiz'
 									);
-		foreach ( $classes_to_load as $class_file ) {
-			Sensei()->load_class( $class_file );
+		foreach ($classes_to_load as $class_file) {
+			Sensei()->load_class($class_file);
 		} // End For Loop
 	} // End load_data_table_files()
 
@@ -125,16 +125,16 @@ 
 	 * @param  undefined  $optional_data optional constructor arguments
 	 * @return object                 class instance object
 	 */
-	public function load_data_object( $name = '', $data = 0, $optional_data = null ) {
+	public function load_data_object($name = '', $data = 0, $optional_data = null) {
 		// Load Analysis data
-		$object_name = 'WooThemes_Sensei_Grading_' . $name;
-		if ( is_null($optional_data) ) {
-			$sensei_grading_object = new $object_name( $data );
+		$object_name = 'WooThemes_Sensei_Grading_'.$name;
+		if (is_null($optional_data)) {
+			$sensei_grading_object = new $object_name($data);
 		}
 		else {
-			$sensei_grading_object = new $object_name( $data, $optional_data );
+			$sensei_grading_object = new $object_name($data, $optional_data);
 		} // End If Statement
-		if ( 'Main' == $name ) {
+		if ('Main' == $name) {
 			$sensei_grading_object->prepare_items();
 		} // End If Statement
 		return $sensei_grading_object;
@@ -148,7 +148,7 @@ 
 	 */
 	public function grading_page() {
 
-		if ( isset( $_GET['quiz_id'] ) && 0 < intval( $_GET['quiz_id'] ) && isset( $_GET['user'] ) && 0 < intval( $_GET['user'] ) ) {
+		if (isset($_GET['quiz_id']) && 0 < intval($_GET['quiz_id']) && isset($_GET['user']) && 0 < intval($_GET['user'])) {
 			$this->grading_user_quiz_view();
 		}
 		else {
@@ -164,23 +164,23 @@ 
 	public function grading_default_view() {
 
 		// Load Grading data
-		if( !empty( $_GET['course_id'] ) ) {
-			$course_id = intval( $_GET['course_id'] );
+		if ( ! empty($_GET['course_id'])) {
+			$course_id = intval($_GET['course_id']);
 		}
-		if( !empty( $_GET['lesson_id'] ) ) {
-			$lesson_id = intval( $_GET['lesson_id'] );
+		if ( ! empty($_GET['lesson_id'])) {
+			$lesson_id = intval($_GET['lesson_id']);
 		}
-		if( !empty( $_GET['user_id'] ) ) {
-			$user_id = intval( $_GET['user_id'] );
+		if ( ! empty($_GET['user_id'])) {
+			$user_id = intval($_GET['user_id']);
 		}
-		if( !empty( $_GET['view'] ) ) {
-			$view = esc_html( $_GET['view'] );
+		if ( ! empty($_GET['view'])) {
+			$view = esc_html($_GET['view']);
 		}
-		$sensei_grading_overview = $this->load_data_object( 'Main', compact( 'course_id', 'lesson_id', 'user_id', 'view' ) );
+		$sensei_grading_overview = $this->load_data_object('Main', compact('course_id', 'lesson_id', 'user_id', 'view'));
 
 		// Wrappers
-		do_action( 'grading_before_container' );
-		do_action( 'grading_wrapper_container', 'top' );
+		do_action('grading_before_container');
+		do_action('grading_wrapper_container', 'top');
 		$this->grading_headers();
 		?>
 		<div id="poststuff" class="sensei-grading-wrap">
@@ -188,12 +188,12 @@ 
 				<?php $sensei_grading_overview->display(); ?>
 			</div>
 			<div class="sensei-grading-extra">
-				<?php do_action( 'sensei_grading_extra' ); ?>
+				<?php do_action('sensei_grading_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'grading_wrapper_container', 'bottom' );
-		do_action( 'grading_after_container' );
+		do_action('grading_wrapper_container', 'bottom');
+		do_action('grading_after_container');
 	} // End grading_default_view()
 
 	/**
@@ -206,17 +206,17 @@ 
 		// Load Grading data
 		$user_id = 0;
 		$quiz_id = 0;
-		if( isset( $_GET['user'] ) ) {
-			$user_id = intval( $_GET['user'] );
+		if (isset($_GET['user'])) {
+			$user_id = intval($_GET['user']);
 		}
-		if( isset( $_GET['quiz_id'] ) ) {
-			$quiz_id = intval( $_GET['quiz_id'] );
+		if (isset($_GET['quiz_id'])) {
+			$quiz_id = intval($_GET['quiz_id']);
 		}
-		$sensei_grading_user_profile = $this->load_data_object( 'User_Quiz', $user_id, $quiz_id );
+		$sensei_grading_user_profile = $this->load_data_object('User_Quiz', $user_id, $quiz_id);
 		// Wrappers
-		do_action( 'grading_before_container' );
-		do_action( 'grading_wrapper_container', 'top' );
-		$this->grading_headers( array( 'nav' => 'user_quiz' ) );
+		do_action('grading_before_container');
+		do_action('grading_wrapper_container', 'top');
+		$this->grading_headers(array('nav' => 'user_quiz'));
 		?>
 		<div id="poststuff" class="sensei-grading-wrap user-profile">
 			<div class="sensei-grading-main">
@@ -225,8 +225,8 @@ 
 			</div>
 		</div>
 		<?php
-		do_action( 'grading_wrapper_container', 'bottom' );
-		do_action( 'grading_after_container' );
+		do_action('grading_wrapper_container', 'bottom');
+		do_action('grading_after_container');
 	} // End grading_user_quiz_view()
 
 	/**
@@ -234,15 +234,15 @@ 
 	 * @since  1.3.0
 	 * @return void
 	 */
-	public function grading_headers( $args = array( 'nav' => 'default' ) ) {
+	public function grading_headers($args = array('nav' => 'default')) {
 
 
-		$function = 'grading_' . $args['nav'] . '_nav';
+		$function = 'grading_'.$args['nav'].'_nav';
 		$this->$function();
 		?>
-			<p class="powered-by-woo"><?php _e( 'Powered by', 'woothemes-sensei' ); ?><a href="http://www.woothemes.com/" title="WooThemes"><img src="<?php echo Sensei()->plugin_url; ?>assets/images/woothemes.png" alt="WooThemes" /></a></p>
+			<p class="powered-by-woo"><?php _e('Powered by', 'woothemes-sensei'); ?><a href="http://www.woothemes.com/" title="WooThemes"><img src="<?php echo Sensei()->plugin_url; ?>assets/images/woothemes.png" alt="WooThemes" /></a></p>
 		<?php
-		do_action( 'sensei_grading_after_headers' );
+		do_action('sensei_grading_after_headers');
 	} // End grading_headers()
 
 	/**
@@ -251,10 +251,10 @@ 
 	 * @param $which string
 	 * @return void
 	 */
-	public function wrapper_container( $which ) {
-		if ( 'top' == $which ) {
+	public function wrapper_container($which) {
+		if ('top' == $which) {
 			?><div id="woothemes-sensei" class="wrap woothemes-sensei"><?php
-		} elseif ( 'bottom' == $which ) {
+		} elseif ('bottom' == $which) {
 			?></div><!--/#woothemes-sensei--><?php
 		} // End If Statement
 	} // End wrapper_container()
@@ -267,29 +267,29 @@ 
 	public function grading_default_nav() {
 		global  $wp_version;
 
-		$title = sprintf( '<a href="%s">%s</a>', esc_url(add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['course_id'] ) ) { 
-			$course_id = intval( $_GET['course_id'] );
-			if ( version_compare($wp_version, '4.1', '>=') ) {
-				$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-				$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
+		$title = sprintf('<a href="%s">%s</a>', esc_url(add_query_arg(array('page' => $this->page_slug), admin_url('admin.php'))), esc_html($this->name));
+		if (isset($_GET['course_id'])) { 
+			$course_id = intval($_GET['course_id']);
+			if (version_compare($wp_version, '4.1', '>=')) {
+				$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+				$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 			}
 			else {
-				$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', get_the_title( $course_id ) ); 
+				$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', get_the_title($course_id)); 
 			}
 		}
-		if ( isset( $_GET['lesson_id'] ) ) { 
-			$lesson_id = intval( $_GET['lesson_id'] );
-			$title .= '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;' . get_the_title( intval( $lesson_id ) ) . '</span>'; 
+		if (isset($_GET['lesson_id'])) { 
+			$lesson_id = intval($_GET['lesson_id']);
+			$title .= '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;'.get_the_title(intval($lesson_id)).'</span>'; 
 		}
-		if ( isset( $_GET['user_id'] ) && 0 < intval( $_GET['user_id'] ) ) {
+		if (isset($_GET['user_id']) && 0 < intval($_GET['user_id'])) {
 
-            $user_name = Sensei_Student::get_full_name( $_GET['user_id'] );
-			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;' . $user_name . '</span>';
+            $user_name = Sensei_Student::get_full_name($_GET['user_id']);
+			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;'.$user_name.'</span>';
 
 		} // End If Statement
 		?>
-			<h2><?php echo apply_filters( 'sensei_grading_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_grading_nav_title', $title); ?></h2>
 		<?php
 	} // End grading_default_nav()
 
@@ -301,29 +301,29 @@ 
 	public function grading_user_quiz_nav() {
 		global  $wp_version;
 
-		$title = sprintf( '<a href="%s">%s</a>', add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['quiz_id'] ) ) { 
-			$quiz_id = intval( $_GET['quiz_id'] );
-			$lesson_id = get_post_meta( $quiz_id, '_quiz_lesson', true );
-			$course_id = get_post_meta( $lesson_id, '_lesson_course', true );
-			if ( version_compare($wp_version, '4.1', '>=') ) {
-				$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-				$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
+		$title = sprintf('<a href="%s">%s</a>', add_query_arg(array('page' => $this->page_slug), admin_url('admin.php')), esc_html($this->name));
+		if (isset($_GET['quiz_id'])) { 
+			$quiz_id = intval($_GET['quiz_id']);
+			$lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true);
+			$course_id = get_post_meta($lesson_id, '_lesson_course', true);
+			if (version_compare($wp_version, '4.1', '>=')) {
+				$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+				$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 			}
 			else {
-				$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', get_the_title( $course_id ) ); 
+				$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', get_the_title($course_id)); 
 			}
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $lesson_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $lesson_id ) );
+			$url = add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $lesson_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($lesson_id));
 		}
-		if ( isset( $_GET['user'] ) && 0 < intval( $_GET['user'] ) ) {
+		if (isset($_GET['user']) && 0 < intval($_GET['user'])) {
 
-            $user_name = Sensei_Student::get_full_name( $_GET['user'] );
-			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;' . $user_name . '</span>';
+            $user_name = Sensei_Student::get_full_name($_GET['user']);
+			$title .= '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;'.$user_name.'</span>';
 
 		} // End If Statement
 		?>
-			<h2><?php echo apply_filters( 'sensei_grading_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_grading_nav_title', $title); ?></h2>
 		<?php
 	} // End grading_user_quiz_nav()
 
@@ -332,9 +332,9 @@ 
 	 * @since  1.7.0
 	 * @return array
 	 */
-	public function get_stati( $type ) {
+	public function get_stati($type) {
 		$statuses = array();
-		switch( $type ) {
+		switch ($type) {
 			case 'course' :
 				$statuses = array(
 					'in-progress',
@@ -364,7 +364,7 @@ 
 	 * @param  array $args (default: array())
 	 * @return object
 	 */
-	public function count_statuses( $args = array() ) {
+	public function count_statuses($args = array()) {
 		global  $wpdb;
 
         /**
@@ -375,71 +375,71 @@ 
          * @since 1.8.0
          * @param array $args
          */
-        $args = apply_filters( 'sensei_count_statuses_args', $args );
+        $args = apply_filters('sensei_count_statuses_args', $args);
 
-		if ( 'course' == $args['type'] ) {
+		if ('course' == $args['type']) {
 			$type = 'sensei_course_status';
 		}
 		else {
 			$type = 'sensei_lesson_status';
 		}
-		$cache_key = 'sensei-' . $args['type'] . '-statuses';
+		$cache_key = 'sensei-'.$args['type'].'-statuses';
 
 		$query = "SELECT comment_approved, COUNT( * ) AS total FROM {$wpdb->comments} WHERE comment_type = %s ";
 
         // Restrict to specific posts
-		if ( isset( $args['post__in'] ) && !empty( $args['post__in'] ) && is_array( $args['post__in'] ) ) {
-			$query .= ' AND comment_post_ID IN (' . implode( ',', array_map( 'absint', $args['post__in'] ) ) . ')';
+		if (isset($args['post__in']) && ! empty($args['post__in']) && is_array($args['post__in'])) {
+			$query .= ' AND comment_post_ID IN ('.implode(',', array_map('absint', $args['post__in'])).')';
 		}
-		elseif ( !empty( $args['post_id'] ) ) {
-			$query .= $wpdb->prepare( ' AND comment_post_ID = %d', $args['post_id'] );
+		elseif ( ! empty($args['post_id'])) {
+			$query .= $wpdb->prepare(' AND comment_post_ID = %d', $args['post_id']);
 		}
 		// Restrict to specific users
-		if ( isset( $args['user_id'] ) && is_array( $args['user_id'] ) ) {
-			$query .= ' AND user_id IN (' . implode( ',', array_map( 'absint', $args['user_id'] ) ) . ')';
+		if (isset($args['user_id']) && is_array($args['user_id'])) {
+			$query .= ' AND user_id IN ('.implode(',', array_map('absint', $args['user_id'])).')';
 		}
-		elseif ( !empty( $args['user_id'] ) ) {
-			$query .= $wpdb->prepare( ' AND user_id = %d', $args['user_id'] );
+		elseif ( ! empty($args['user_id'])) {
+			$query .= $wpdb->prepare(' AND user_id = %d', $args['user_id']);
 		}
 		$query .= ' GROUP BY comment_approved';
 
-		$counts = wp_cache_get( $cache_key, 'counts' );
-		if ( false === $counts ) {
-			$sql = $wpdb->prepare( $query, $type );
-			$results = (array) $wpdb->get_results( $sql, ARRAY_A );
-			$counts = array_fill_keys( $this->get_stati( $type ), 0 );
+		$counts = wp_cache_get($cache_key, 'counts');
+		if (false === $counts) {
+			$sql = $wpdb->prepare($query, $type);
+			$results = (array) $wpdb->get_results($sql, ARRAY_A);
+			$counts = array_fill_keys($this->get_stati($type), 0);
 
-			foreach ( $results as $row ) {
-				$counts[ $row['comment_approved'] ] = $row['total'];
+			foreach ($results as $row) {
+				$counts[$row['comment_approved']] = $row['total'];
 			}
-			wp_cache_set( $cache_key, $counts, 'counts' );
+			wp_cache_set($cache_key, $counts, 'counts');
 		}
 
-		if( ! isset( $counts['graded'] ) ) {
+		if ( ! isset($counts['graded'])) {
 			$counts['graded'] = 0;
 		}
 
-		if( ! isset( $counts['ungraded'] ) ) {
+		if ( ! isset($counts['ungraded'])) {
 			$counts['ungraded'] = 0;
 		}
 
-		if( ! isset( $counts['passed'] ) ) {
+		if ( ! isset($counts['passed'])) {
 			$counts['passed'] = 0;
 		}
 
-		if( ! isset( $counts['failed'] ) ) {
+		if ( ! isset($counts['failed'])) {
 			$counts['failed'] = 0;
 		}
 
-		if( ! isset( $counts['in-progress'] ) ) {
+		if ( ! isset($counts['in-progress'])) {
 			$counts['in-progress'] = 0;
 		}
 
-		if( ! isset( $counts['complete'] ) ) {
+		if ( ! isset($counts['complete'])) {
 			$counts['complete'] = 0;
 		}
 
-		return apply_filters( 'sensei_count_statuses', $counts, $type );
+		return apply_filters('sensei_count_statuses', $counts, $type);
 	} // End sensei_count_statuses()
 
 	/**
@@ -447,11 +447,11 @@ 
 	 * @since  1.7.0
 	 * @return string
 	 */
-	public function courses_drop_down_html( $selected_course_id = 0 ) {
+	public function courses_drop_down_html($selected_course_id = 0) {
 
 		$html = '';
 
-		$course_args = array(   'post_type'         => 'course',
+		$course_args = array('post_type'         => 'course',
 								'posts_per_page'       => -1,
 								'orderby'           => 'title',
 								'order'             => 'ASC',
@@ -459,12 +459,12 @@ 
 								'suppress_filters'  => 0,
 								'fields'            => 'ids',
 							);
-		$courses = get_posts( apply_filters( 'sensei_grading_filter_courses', $course_args ) );
+		$courses = get_posts(apply_filters('sensei_grading_filter_courses', $course_args));
 
-		$html .= '<option value="">' . __( 'Select a course', 'woothemes-sensei' ) . '</option>';
-		if ( count( $courses ) > 0 ) {
-			foreach ($courses as $course_id){
-				$html .= '<option value="' . esc_attr( absint( $course_id ) ) . '" ' . selected( $course_id, $selected_course_id, false ) . '>' . esc_html( get_the_title( $course_id ) ) . '</option>' . "\n";
+		$html .= '<option value="">'.__('Select a course', 'woothemes-sensei').'</option>';
+		if (count($courses) > 0) {
+			foreach ($courses as $course_id) {
+				$html .= '<option value="'.esc_attr(absint($course_id)).'" '.selected($course_id, $selected_course_id, false).'>'.esc_html(get_the_title($course_id)).'</option>'."\n";
 			} // End For Loop
 		} // End If Statement
 
@@ -485,20 +485,20 @@ 
 		$course_data = array();
 		parse_str($data, $course_data);
 
-		$course_id = intval( $course_data['course_id'] );
+		$course_id = intval($course_data['course_id']);
 
-		$html = $this->lessons_drop_down_html( $course_id );
+		$html = $this->lessons_drop_down_html($course_id);
 
 		echo $html;
 		die(); // WordPress may print out a spurious zero without this can be particularly bad if using JSON
 	}
 
-	public function lessons_drop_down_html( $course_id = 0, $selected_lesson_id = 0 ) {
+	public function lessons_drop_down_html($course_id = 0, $selected_lesson_id = 0) {
 
 		$html = '';
-		if ( 0 < intval( $course_id ) ) {
+		if (0 < intval($course_id)) {
 
-			$lesson_args = array( 'post_type'       => 'lesson',
+			$lesson_args = array('post_type'       => 'lesson',
 								'posts_per_page'       => -1,
 								'orderby'           => 'title',
 								'order'             => 'ASC',
@@ -508,12 +508,12 @@ 
 								'suppress_filters'  => 0,
 								'fields'            => 'ids',
 								);
-			$lessons = get_posts( apply_filters( 'sensei_grading_filter_lessons', $lesson_args ) );
+			$lessons = get_posts(apply_filters('sensei_grading_filter_lessons', $lesson_args));
 
-			$html .= '<option value="">' . __( 'Select a lesson', 'woothemes-sensei' ) . '</option>';
-			if ( count( $lessons ) > 0 ) {
-				foreach ( $lessons as $lesson_id ){
-					$html .= '<option value="' . esc_attr( absint( $lesson_id ) ) . '" ' . selected( $lesson_id, $selected_lesson_id, false ) . '>' . esc_html( get_the_title( $lesson_id ) ) . '</option>' . "\n";
+			$html .= '<option value="">'.__('Select a lesson', 'woothemes-sensei').'</option>';
+			if (count($lessons) > 0) {
+				foreach ($lessons as $lesson_id) {
+					$html .= '<option value="'.esc_attr(absint($lesson_id)).'" '.selected($lesson_id, $selected_lesson_id, false).'>'.esc_html(get_the_title($lesson_id)).'</option>'."\n";
 				} // End For Loop
 			} // End If Statement
 
@@ -534,10 +534,10 @@ 
     public function admin_process_grading_submission() {
 
         // NEEDS REFACTOR/OPTIMISING, such as combining the various meta data stored against the sensei_user_answer entry
-        if( ! isset( $_POST['sensei_manual_grade'] )
-            || ! wp_verify_nonce( $_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading' )
-            || ! isset( $_GET['quiz_id'] )
-            || $_GET['quiz_id'] != $_POST['sensei_manual_grade'] ) {
+        if ( ! isset($_POST['sensei_manual_grade'])
+            || ! wp_verify_nonce($_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading')
+            || ! isset($_GET['quiz_id'])
+            || $_GET['quiz_id'] != $_POST['sensei_manual_grade']) {
 
             return false; //exit and do not grade
 
@@ -547,30 +547,30 @@ 
         $user_id = $_GET['user'];
 
 
-        $questions = Sensei_Utils::sensei_get_quiz_questions( $quiz_id );
-        $quiz_lesson_id =  Sensei()->quiz->get_lesson_id( $quiz_id );
+        $questions = Sensei_Utils::sensei_get_quiz_questions($quiz_id);
+        $quiz_lesson_id = Sensei()->quiz->get_lesson_id($quiz_id);
         $quiz_grade = 0;
         $count = 0;
         $quiz_grade_total = $_POST['quiz_grade_total'];
         $all_question_grades = array();
         $all_answers_feedback = array();
 
-        foreach( $questions as $question ) {
+        foreach ($questions as $question) {
 
             ++$count;
             $question_id = $question->ID;
 
-            if( isset( $_POST[ 'question_' . $question_id ] ) ) {
+            if (isset($_POST['question_'.$question_id])) {
 
                 $question_grade = 0;
-                if( $_POST[ 'question_' . $question_id ] == 'right' ) {
+                if ($_POST['question_'.$question_id] == 'right') {
 
-                    $question_grade = $_POST[ 'question_' . $question_id . '_grade' ];
+                    $question_grade = $_POST['question_'.$question_id.'_grade'];
 
                 }
 
                 // add data to the array that will, after the loop, be stored on the lesson status
-                $all_question_grades[ $question_id ] = $question_grade;
+                $all_question_grades[$question_id] = $question_grade;
 
                 // tally up the total quiz grade
                 $quiz_grade += $question_grade;
@@ -579,41 +579,41 @@ 
 
             // Question answer feedback / notes
             $question_feedback = '';
-            if( isset( $_POST[ 'questions_feedback' ][ $question_id ] ) ){
+            if (isset($_POST['questions_feedback'][$question_id])) {
 
-                $question_feedback = wp_unslash( $_POST[ 'questions_feedback' ][ $question_id ] );
+                $question_feedback = wp_unslash($_POST['questions_feedback'][$question_id]);
 
             }
-            $all_answers_feedback[ $question_id ] = $question_feedback;
+            $all_answers_feedback[$question_id] = $question_feedback;
 
         } // end for each $questions
 
         //store all question grades on the lesson status
-        Sensei()->quiz->set_user_grades( $all_question_grades, $quiz_lesson_id , $user_id );
+        Sensei()->quiz->set_user_grades($all_question_grades, $quiz_lesson_id, $user_id);
 
         //store the feedback from grading
-        Sensei()->quiz->save_user_answers_feedback( $all_answers_feedback, $quiz_lesson_id , $user_id );
+        Sensei()->quiz->save_user_answers_feedback($all_answers_feedback, $quiz_lesson_id, $user_id);
 
         // $_POST['all_questions_graded'] is set when all questions have been graded
         // in the class sensei grading user quiz -> display()
-        if( $_POST['all_questions_graded'] == 'yes' ) {
+        if ($_POST['all_questions_graded'] == 'yes') {
 
             // set the users total quiz grade
-			if ( 0 < intval( $quiz_grade_total ) ) {
-            $grade = abs( round( ( doubleval( $quiz_grade ) * 100 ) / ( $quiz_grade_total ), 2 ) );
+			if (0 < intval($quiz_grade_total)) {
+            $grade = abs(round((doubleval($quiz_grade) * 100) / ($quiz_grade_total), 2));
 			}
 			else {
 				$grade = 0;
 			}
-            Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id );
+            Sensei_Utils::sensei_grade_quiz($quiz_id, $grade, $user_id);
 
             // Duplicating what Frontend->sensei_complete_quiz() does
-            $pass_required = get_post_meta( $quiz_id, '_pass_required', true );
-            $quiz_passmark = abs( round( doubleval( get_post_meta( $quiz_id, '_quiz_passmark', true ) ), 2 ) );
+            $pass_required = get_post_meta($quiz_id, '_pass_required', true);
+            $quiz_passmark = abs(round(doubleval(get_post_meta($quiz_id, '_quiz_passmark', true)), 2));
             $lesson_metadata = array();
-            if ( $pass_required ) {
+            if ($pass_required) {
                 // Student has reached the pass mark and lesson is complete
-                if ( $quiz_passmark <= $grade ) {
+                if ($quiz_passmark <= $grade) {
                     $lesson_status = 'passed';
                 }
                 else {
@@ -626,9 +626,9 @@ 
             }
             $lesson_metadata['grade'] = $grade; // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz()" above
 
-            Sensei_Utils::update_lesson_status( $user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata );
+            Sensei_Utils::update_lesson_status($user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata);
 
-            if(  in_array( $lesson_status, array( 'passed', 'graded'  ) ) ) {
+            if (in_array($lesson_status, array('passed', 'graded'))) {
 
                 /**
                  * Summary.
@@ -640,27 +640,27 @@ 
                  * @param int  $user_id
                  * @param int $quiz_lesson_id
                  */
-                do_action( 'sensei_user_lesson_end', $user_id, $quiz_lesson_id );
+                do_action('sensei_user_lesson_end', $user_id, $quiz_lesson_id);
 
             } // end if in_array
 
         }// end if $_POST['all_que...
 
-        if( isset( $_POST['sensei_grade_next_learner'] ) && strlen( $_POST['sensei_grade_next_learner'] ) > 0 ) {
+        if (isset($_POST['sensei_grade_next_learner']) && strlen($_POST['sensei_grade_next_learner']) > 0) {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ) );
+            $load_url = add_query_arg(array('message' => 'graded'));
 
-        } elseif ( isset( $_POST['_wp_http_referer'] ) ) {
+        } elseif (isset($_POST['_wp_http_referer'])) {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ), $_POST['_wp_http_referer'] );
+            $load_url = add_query_arg(array('message' => 'graded'), $_POST['_wp_http_referer']);
 
         } else {
 
-            $load_url = add_query_arg( array( 'message' => 'graded' ) );
+            $load_url = add_query_arg(array('message' => 'graded'));
 
         }
 
-        wp_safe_redirect( esc_url_raw( $load_url ) );
+        wp_safe_redirect(esc_url_raw($load_url));
         exit;
 
     } // end admin_process_grading_submission
@@ -671,13 +671,13 @@ 
 		$lesson_data = array();
 		parse_str($data, $lesson_data);
 
-		$lesson_id = intval( $lesson_data['lesson_id'] );
-		$course_id = intval( $lesson_data['course_id'] );
-		$grading_view = sanitize_text_field( $lesson_data['view'] );
+		$lesson_id = intval($lesson_data['lesson_id']);
+		$course_id = intval($lesson_data['course_id']);
+		$grading_view = sanitize_text_field($lesson_data['view']);
 
 		$redirect_url = '';
-		if ( 0 < $lesson_id && 0 < $course_id ) {
-			$redirect_url = esc_url_raw( apply_filters( 'sensei_ajax_redirect_url', add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $lesson_id, 'course_id' => $course_id, 'view' => $grading_view ), admin_url( 'admin.php' ) ) ) );
+		if (0 < $lesson_id && 0 < $course_id) {
+			$redirect_url = esc_url_raw(apply_filters('sensei_ajax_redirect_url', add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $lesson_id, 'course_id' => $course_id, 'view' => $grading_view), admin_url('admin.php'))));
 		} // End If Statement
 
 		echo $redirect_url;
@@ -685,11 +685,11 @@ 
 	}
 
 	public function add_grading_notices() {
-		if( isset( $_GET['page'] ) && $this->page_slug == $_GET['page'] && isset( $_GET['message'] ) && $_GET['message'] ) {
-			if( 'graded' == $_GET['message'] ) {
+		if (isset($_GET['page']) && $this->page_slug == $_GET['page'] && isset($_GET['message']) && $_GET['message']) {
+			if ('graded' == $_GET['message']) {
 				$msg = array(
 					'updated',
-					__( 'Quiz Graded Successfully!', 'woothemes-sensei' ),
+					__('Quiz Graded Successfully!', 'woothemes-sensei'),
 				);
 			}
 			?>
@@ -701,9 +701,9 @@ 
 	}
 
 	public function sensei_grading_notices() {
-		if ( isset( $_GET['action'] ) && 'graded' == $_GET['action'] ) {
+		if (isset($_GET['action']) && 'graded' == $_GET['action']) {
 			echo '<div class="grading-notice updated">';
-				echo '<p>' . __( 'Quiz Graded Successfully!', 'woothemes-sensei' ) . '</p>';
+				echo '<p>'.__('Quiz Graded Successfully!', 'woothemes-sensei').'</p>';
 			echo '</div>';
 		} // End If Statement
 	} // End sensei_grading_notices()
@@ -726,16 +726,16 @@ 
      *
      * @return int $quiz_grade total sum of all question grades
      */
-    public static function grade_quiz_auto( $quiz_id = 0, $submitted = array(), $total_questions = 0, $quiz_grade_type = 'auto' ) {
+    public static function grade_quiz_auto($quiz_id = 0, $submitted = array(), $total_questions = 0, $quiz_grade_type = 'auto') {
 
-        if( ! ( intval( $quiz_id ) > 0 )  || ! $submitted
-            || $quiz_grade_type != 'auto' ) {
+        if ( ! (intval($quiz_id) > 0) || ! $submitted
+            || $quiz_grade_type != 'auto') {
             return false; // exit early
         }
 
 
         $user_id = get_current_user_id();
-        $lesson_id =  Sensei()->quiz->get_lesson_id(  $quiz_id ) ;
+        $lesson_id = Sensei()->quiz->get_lesson_id($quiz_id);
         $quiz_autogradable = true;
 
         /**
@@ -749,23 +749,23 @@ 
          *      'gap-fill'.
          * }
          */
-        $autogradable_question_types = apply_filters( 'sensei_autogradable_question_types', array( 'multiple-choice', 'boolean', 'gap-fill' ) );
+        $autogradable_question_types = apply_filters('sensei_autogradable_question_types', array('multiple-choice', 'boolean', 'gap-fill'));
 
         $grade_total = 0;
         $all_question_grades = array();
-        foreach( $submitted as $question_id => $answer ) {
+        foreach ($submitted as $question_id => $answer) {
 
             // check if the question is autogradable, either by type, or because the grade is 0
-            $question_type = Sensei()->question->get_question_type( $question_id );
-			$achievable_grade = Sensei()->question->get_question_grade( $question_id );
+            $question_type = Sensei()->question->get_question_type($question_id);
+			$achievable_grade = Sensei()->question->get_question_grade($question_id);
 			// Question has a zero grade, so skip grading
-			if ( 0 == $achievable_grade ) {
-				$all_question_grades[ $question_id ] = $achievable_grade;
+			if (0 == $achievable_grade) {
+				$all_question_grades[$question_id] = $achievable_grade;
 			}
-            elseif ( in_array( $question_type, $autogradable_question_types ) ) {
+            elseif (in_array($question_type, $autogradable_question_types)) {
                 // Get user question grade
-                $question_grade = Sensei_Utils::sensei_grade_question_auto( $question_id, $question_type, $answer, $user_id );
-                $all_question_grades[ $question_id ] = $question_grade;
+                $question_grade = Sensei_Utils::sensei_grade_question_auto($question_id, $question_type, $answer, $user_id);
+                $all_question_grades[$question_id] = $question_grade;
                 $grade_total += $question_grade;
 
             } else {
@@ -778,27 +778,27 @@ 
         }// end for each question
 
         // Only if the whole quiz was autogradable do we set a grade
-        if ( $quiz_autogradable ) {
+        if ($quiz_autogradable) {
 
-            $quiz_total = Sensei_Utils::sensei_get_quiz_total( $quiz_id );
+            $quiz_total = Sensei_Utils::sensei_get_quiz_total($quiz_id);
 			// Check for zero total from grades
-			if ( 0 < $quiz_total ) {
-            $grade = abs( round( ( doubleval( $grade_total ) * 100 ) / ( $quiz_total ), 2 ) );
+			if (0 < $quiz_total) {
+            $grade = abs(round((doubleval($grade_total) * 100) / ($quiz_total), 2));
 			}
 			else {
 				$grade = 0;
 			}
-            Sensei_Utils::sensei_grade_quiz( $quiz_id, $grade, $user_id, $quiz_grade_type );
+            Sensei_Utils::sensei_grade_quiz($quiz_id, $grade, $user_id, $quiz_grade_type);
 
         } else {
 
-            $grade = new WP_Error( 'autograde', __( 'This quiz is not able to be automatically graded.', 'woothemes-sensei' ) );
+            $grade = new WP_Error('autograde', __('This quiz is not able to be automatically graded.', 'woothemes-sensei'));
 
         }
 
         // store the auto gradable grades. If the quiz is not auto gradable the grades can be use as the default
         // when doing manual grading.
-        Sensei()->quiz-> set_user_grades( $all_question_grades, $lesson_id, $user_id );
+        Sensei()->quiz-> set_user_grades($all_question_grades, $lesson_id, $user_id);
 
         return $grade;
 
@@ -818,22 +818,22 @@ 
      *
      * @return int $question_grade
      */
-    public static function grade_question_auto( $question_id = 0, $question_type = '', $answer = '', $user_id = 0 ) {
+    public static function grade_question_auto($question_id = 0, $question_type = '', $answer = '', $user_id = 0) {
 
-        if( intval( $user_id ) == 0 ) {
+        if (intval($user_id) == 0) {
 
             $user_id = get_current_user_id();
 
         }
 
-        if( ! ( intval( $question_id ) > 0 ) ) {
+        if ( ! (intval($question_id) > 0)) {
 
             return false;
 
         }
 
 
-        Sensei()->question->get_question_type( $question_id );
+        Sensei()->question->get_question_type($question_id);
 
         /**
          * Applying a grade before the auto grading takes place.
@@ -847,42 +847,42 @@ 
          * @param string $question_type one of the Sensei question type.
          * @param string $answer user supplied question answer
          */
-        $question_grade = apply_filters( 'sensei_pre_grade_question_auto', false, $question_id, $question_type, $answer );
+        $question_grade = apply_filters('sensei_pre_grade_question_auto', false, $question_id, $question_type, $answer);
 
-        if ( false !== $question_grade ) {
+        if (false !== $question_grade) {
 
             return $question_grade;
 
         }
 
         // auto grading core
-        if( in_array( $question_type ,  array( 'multiple-choice'  , 'boolean'  ) )   ){
+        if (in_array($question_type, array('multiple-choice', 'boolean'))) {
 
-            $right_answer = (array) get_post_meta( $question_id, '_question_right_answer', true );
+            $right_answer = (array) get_post_meta($question_id, '_question_right_answer', true);
 
-            if( 0 == get_magic_quotes_gpc() ) {
-                $answer = wp_unslash( $answer );
+            if (0 == get_magic_quotes_gpc()) {
+                $answer = wp_unslash($answer);
             }
             $answer = (array) $answer;
-            if ( is_array( $right_answer ) && count( $right_answer ) == count( $answer ) ) {
+            if (is_array($right_answer) && count($right_answer) == count($answer)) {
                 // Loop through all answers ensure none are 'missing'
                 $all_correct = true;
-                foreach ( $answer as $check_answer ) {
-                    if ( !in_array( $check_answer, $right_answer ) ) {
+                foreach ($answer as $check_answer) {
+                    if ( ! in_array($check_answer, $right_answer)) {
                         $all_correct = false;
                     }
                 }
                 // If all correct then grade
-                if ( $all_correct ) {
-                    $question_grade = Sensei()->question->get_question_grade( $question_id );
+                if ($all_correct) {
+                    $question_grade = Sensei()->question->get_question_grade($question_id);
                 }
             }
 
-        } elseif( 'gap-fill' == $question_type ){
+        } elseif ('gap-fill' == $question_type) {
 
-            $question_grade = self::grade_gap_fill_question( $question_id ,$answer );
+            $question_grade = self::grade_gap_fill_question($question_id, $answer);
 
-        } else{
+        } else {
 
             /**
              * Grading questions that are not auto gradable.
@@ -895,7 +895,7 @@ 
              * @param string $question_type one of the Sensei question type.
              * @param string $answer user supplied question answer
              */
-            $question_grade = ( int ) apply_filters( 'sensei_grade_question_auto', $question_grade, $question_id, $question_type, $answer );
+            $question_grade = (int) apply_filters('sensei_grade_question_auto', $question_grade, $question_id, $question_type, $answer);
 
         } // end if $question_type
 
@@ -911,13 +911,13 @@ 
      *
      * @return bool | int false or the grade given to the user answer
      */
-    public static function grade_gap_fill_question( $question_id, $user_answer ){
+    public static function grade_gap_fill_question($question_id, $user_answer) {
 
-        $right_answer = get_post_meta( $question_id, '_question_right_answer', true );
-        $gapfill_array = explode( '||', $right_answer );
+        $right_answer = get_post_meta($question_id, '_question_right_answer', true);
+        $gapfill_array = explode('||', $right_answer);
 
-        if( 0 == get_magic_quotes_gpc() ) { // deprecated from PHP 5.4 but we still support PHP 5.2
-            $user_answer = wp_unslash( $user_answer );
+        if (0 == get_magic_quotes_gpc()) { // deprecated from PHP 5.4 but we still support PHP 5.2
+            $user_answer = wp_unslash($user_answer);
         }
 
         /**
@@ -930,53 +930,53 @@ 
          *
          * @since 1.9.0
          */
-        $do_case_sensitive_comparison = apply_filters('sensei_gap_fill_case_sensitive_grading', false );
+        $do_case_sensitive_comparison = apply_filters('sensei_gap_fill_case_sensitive_grading', false);
 
-        if( $do_case_sensitive_comparison ){
+        if ($do_case_sensitive_comparison) {
 
             // Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
-            if ( trim(($gapfill_array[1])) == trim( $user_answer ) ) {
+            if (trim(($gapfill_array[1])) == trim($user_answer)) {
 
-                return Sensei()->question->get_question_grade( $question_id );
+                return Sensei()->question->get_question_grade($question_id);
 
-            } else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
+            } else if (@preg_match('/'.$gapfill_array[1].'/i', null) !== FALSE) {
 
-                if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
+                if (preg_match('/'.$gapfill_array[1].'/i', $user_answer)) {
 
                     return Sensei()->question->get_question_grade($question_id);
 
-                }else{
+                } else {
 
                     return false;
 
                 }
 
-            }else{
+            } else {
 
                 return false;
 
             }
 
-        }else{
+        } else {
 
             // Case Sensitive Check that the 'gap' is "exactly" equal to the given answer
-            if ( trim(strtolower($gapfill_array[1])) == trim(strtolower( $user_answer )) ) {
+            if (trim(strtolower($gapfill_array[1])) == trim(strtolower($user_answer))) {
 
-               return Sensei()->question->get_question_grade( $question_id );
+               return Sensei()->question->get_question_grade($question_id);
 
-            } else if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
+            } else if (@preg_match('/'.$gapfill_array[1].'/i', null) !== FALSE) {
 
-                if (preg_match('/' . $gapfill_array[1] . '/i', $user_answer)) {
+                if (preg_match('/'.$gapfill_array[1].'/i', $user_answer)) {
 
-                    return  Sensei()->question->get_question_grade( $question_id );
+                    return  Sensei()->question->get_question_grade($question_id);
 
-                }else{
+                } else {
 
                     return false;
 
                 }
 
-            }else{
+            } else {
 
                 return false;
 
@@ -993,4 +993,4 @@ 
  * for backward compatibility
  * @since 1.9.0
  */
-class WooThemes_Sensei_Grading extends Sensei_Grading{}
+class WooThemes_Sensei_Grading extends Sensei_Grading {}

includes/class-sensei-analysis.php

Indentation +5 added lines, -5 removed lines

@@ -55,7 +55,7 @@ 
 
 		if ( current_user_can( 'manage_sensei_grades' ) ) {
 
-            add_submenu_page( 'sensei', __('Analysis', 'woothemes-sensei'),  __('Analysis', 'woothemes-sensei') , 'manage_sensei_grades', 'sensei_analysis', array( $this, 'analysis_page' ) );
+			add_submenu_page( 'sensei', __('Analysis', 'woothemes-sensei'),  __('Analysis', 'woothemes-sensei') , 'manage_sensei_grades', 'sensei_analysis', array( $this, 'analysis_page' ) );
 
 		}
 
@@ -105,7 +105,7 @@ 
 									'analysis-lesson'
 									);
 		foreach ( $classes_to_load as $class_file ) {
-            Sensei()->load_class( $class_file );
+			Sensei()->load_class( $class_file );
 		} // End For Loop
 	} // End load_data_table_files()
 
@@ -443,7 +443,7 @@ 
 
 			$user_id = intval( $_GET['user_id'] );
 			$url = esc_url( add_query_arg( array( 'page' => $this->page_slug, 'user' => $user_id ), admin_url( 'admin.php' ) ) );
-            $user_name = Sensei_Student::get_full_name( $user_id );
+			$user_name = Sensei_Student::get_full_name( $user_id );
 			$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name );
 
 		} // End If Statement
@@ -464,8 +464,8 @@ 
 			$user_id = intval( $_GET['user_id'] );
 			$user_data = get_userdata( $user_id );
 			$url = add_query_arg( array( 'page' => $this->page_slug, 'user_id' => $user_id ), admin_url( 'admin.php' ) );
-            $user_name = Sensei_Student::get_full_name( $user_id );
-            $title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name );
+			$user_name = Sensei_Student::get_full_name( $user_id );
+			$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name );
 			$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), $user_data->display_name );
 		} // End If Statement
 		if ( isset( $_GET['course_id'] ) ) { 

Spacing +184 added lines, -184 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Analysis Class
@@ -23,23 +23,23 @@ 
 	 * @since  1.0.0
 	 * @return  void
 	 */
-	public function __construct ( $file ) {
+	public function __construct($file) {
 		$this->name = __('Analysis', 'woothemes-sensei');
 		$this->file = $file;
 		$this->page_slug = 'sensei_analysis';
 
 		// Admin functions
-		if ( is_admin() ) {
-			add_action( 'admin_menu', array( $this, 'analysis_admin_menu' ), 10);
-			add_action( 'analysis_wrapper_container', array( $this, 'wrapper_container'  ) );
-			if ( isset( $_GET['page'] ) && ( $_GET['page'] == $this->page_slug ) ) {
-				add_action( 'admin_print_scripts', array( $this, 'enqueue_scripts' ) );
-				add_action( 'admin_print_styles', array( $this, 'enqueue_styles' ) );
+		if (is_admin()) {
+			add_action('admin_menu', array($this, 'analysis_admin_menu'), 10);
+			add_action('analysis_wrapper_container', array($this, 'wrapper_container'));
+			if (isset($_GET['page']) && ($_GET['page'] == $this->page_slug)) {
+				add_action('admin_print_scripts', array($this, 'enqueue_scripts'));
+				add_action('admin_print_styles', array($this, 'enqueue_styles'));
 			}
 
-			add_action( 'admin_init', array( $this, 'report_download_page' ) );
+			add_action('admin_init', array($this, 'report_download_page'));
 
-			add_filter( 'user_search_columns', array( $this, 'user_search_columns_filter' ), 10, 3 );
+			add_filter('user_search_columns', array($this, 'user_search_columns_filter'), 10, 3);
 		} // End If Statement
 	} // End __construct()
 
@@ -53,9 +53,9 @@ 
 	public function analysis_admin_menu() {
 		global $menu, $woocommerce;
 
-		if ( current_user_can( 'manage_sensei_grades' ) ) {
+		if (current_user_can('manage_sensei_grades')) {
 
-            add_submenu_page( 'sensei', __('Analysis', 'woothemes-sensei'),  __('Analysis', 'woothemes-sensei') , 'manage_sensei_grades', 'sensei_analysis', array( $this, 'analysis_page' ) );
+            add_submenu_page('sensei', __('Analysis', 'woothemes-sensei'), __('Analysis', 'woothemes-sensei'), 'manage_sensei_grades', 'sensei_analysis', array($this, 'analysis_page'));
 
 		}
 
@@ -69,7 +69,7 @@ 
 	 * @since 1.0.0
 	 * @return void
 	 */
-	public function enqueue_scripts () {
+	public function enqueue_scripts() {
 		// None for now
 
 	} // End enqueue_scripts()
@@ -82,11 +82,11 @@ 
 	 * @since 1.0.0
 	 * @return void
 	 */
-	public function enqueue_styles () {
+	public function enqueue_styles() {
 
-		wp_enqueue_style( 'woothemes-sensei-admin' );
+		wp_enqueue_style('woothemes-sensei-admin');
 
-		wp_enqueue_style( 'woothemes-sensei-settings-api', Sensei()->plugin_url . 'assets/css/settings.css', '', Sensei()->version );
+		wp_enqueue_style('woothemes-sensei-settings-api', Sensei()->plugin_url.'assets/css/settings.css', '', Sensei()->version);
 
 	} // End enqueue_styles()
 
@@ -98,14 +98,14 @@ 
 	public function load_data_table_files() {
 
 		// Load Analysis Classes
-		$classes_to_load = array(	'list-table',
+		$classes_to_load = array('list-table',
 									'analysis-overview',
 									'analysis-user-profile',
 									'analysis-course',
 									'analysis-lesson'
 									);
-		foreach ( $classes_to_load as $class_file ) {
-            Sensei()->load_class( $class_file );
+		foreach ($classes_to_load as $class_file) {
+            Sensei()->load_class($class_file);
 		} // End For Loop
 	} // End load_data_table_files()
 
@@ -116,13 +116,13 @@ 
 	 * @param  undefined  $optional_data optional constructor arguments
 	 * @return object                 class instance object
 	 */
-	public function load_data_object( $name = '', $data = 0, $optional_data = null ) {
+	public function load_data_object($name = '', $data = 0, $optional_data = null) {
 		// Load Analysis data
-		$object_name = 'WooThemes_Sensei_Analysis_' . $name . '_List_Table';
-		if ( is_null($optional_data) ) {
-			$sensei_analysis_object = new $object_name( $data );
+		$object_name = 'WooThemes_Sensei_Analysis_'.$name.'_List_Table';
+		if (is_null($optional_data)) {
+			$sensei_analysis_object = new $object_name($data);
 		} else {
-			$sensei_analysis_object = new $object_name( $data, $optional_data );
+			$sensei_analysis_object = new $object_name($data, $optional_data);
 		}
 		$sensei_analysis_object->prepare_items();
 		return $sensei_analysis_object;
@@ -139,40 +139,40 @@ 
 		$course_id = 0;
 		$lesson_id = 0;
 		$user_id = 0;
-		if( isset( $_GET['course_id'] ) ) {
-			$course_id = intval( $_GET['course_id'] );
+		if (isset($_GET['course_id'])) {
+			$course_id = intval($_GET['course_id']);
 		}
-		if( isset( $_GET['lesson_id'] ) ) {
-			$lesson_id = intval( $_GET['lesson_id'] );
+		if (isset($_GET['lesson_id'])) {
+			$lesson_id = intval($_GET['lesson_id']);
 		}
-		if( isset( $_GET['user_id'] ) ) {
-			$user_id = intval( $_GET['user_id'] );
+		if (isset($_GET['user_id'])) {
+			$user_id = intval($_GET['user_id']);
 		}
-		$type = isset( $_GET['view'] ) ? esc_html( $_GET['view'] ) : false;
+		$type = isset($_GET['view']) ? esc_html($_GET['view']) : false;
 
-		if ( 0 < $lesson_id ) {
+		if (0 < $lesson_id) {
 			// Viewing a specific Lesson and all its Learners
-			$this->analysis_lesson_users_view( $lesson_id );
+			$this->analysis_lesson_users_view($lesson_id);
 		}
-		elseif ( 0 < $course_id && !$user_id && 'user' == $type ) {
+		elseif (0 < $course_id && ! $user_id && 'user' == $type) {
 			// Viewing a specific Course and all its Learners
-			$this->analysis_course_users_view( $course_id );
+			$this->analysis_course_users_view($course_id);
 		}
-		elseif ( 0 < $course_id && 0 < $user_id ) {
+		elseif (0 < $course_id && 0 < $user_id) {
 			// Viewing a specific Learner on a specific Course, showing their Lessons
-			$this->analysis_user_course_view( $course_id, $user_id );
+			$this->analysis_user_course_view($course_id, $user_id);
 		}
-		elseif( 0 < $course_id ) {
+		elseif (0 < $course_id) {
 			// Viewing a specific Course and all it's Lessons
-			$this->analysis_course_view( $course_id );
+			$this->analysis_course_view($course_id);
 		}
-		elseif ( 0 < $user_id ) {
+		elseif (0 < $user_id) {
 			// Viewing a specific Learner, and their Courses
-			$this->analysis_user_profile_view( $user_id );
+			$this->analysis_user_profile_view($user_id);
 		}
 		else {
 			// Overview of all Learners, all Courses, or all Lessons
-			$this->analysis_default_view( $type );
+			$this->analysis_default_view($type);
 		} // End If Statement
 	} // End analysis_page()
 
@@ -181,35 +181,35 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_default_view( $type ) {
+	public function analysis_default_view($type) {
 
 		// Load Analysis data
-		$sensei_analysis_overview = $this->load_data_object( 'Overview', $type );
+		$sensei_analysis_overview = $this->load_data_object('Overview', $type);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
 		$this->analysis_headers();
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap">
 			<div class="sensei-analysis-sidebar">
 				<?php
-				do_action( 'sensei_analysis_before_stats_boxes' );
-				foreach ( $sensei_analysis_overview->stats_boxes() as $key => $value ) {
-					$this->render_stats_box( esc_html( $key ), esc_html( $value ) );
+				do_action('sensei_analysis_before_stats_boxes');
+				foreach ($sensei_analysis_overview->stats_boxes() as $key => $value) {
+					$this->render_stats_box(esc_html($key), esc_html($value));
 				} // End For Loop
-				do_action( 'sensei_analysis_after_stats_boxes' );
+				do_action('sensei_analysis_after_stats_boxes');
 				?>
 			</div>
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_overview->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_default_view()
 
 	/**
@@ -217,26 +217,26 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_user_profile_view( $user_id ) {
+	public function analysis_user_profile_view($user_id) {
 
 		// Load Analysis data
-		$sensei_analysis_user_profile = $this->load_data_object( 'User_Profile', $user_id );
+		$sensei_analysis_user_profile = $this->load_data_object('User_Profile', $user_id);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
-		$this->analysis_headers( array( 'nav' => 'user_profile' ) );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
+		$this->analysis_headers(array('nav' => 'user_profile'));
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap user-profile">
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_user_profile->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_user_profile_view()
 
 	/**
@@ -244,26 +244,26 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_course_view( $course_id ) {
+	public function analysis_course_view($course_id) {
 
 		// Load Analysis data
-		$sensei_analysis_course = $this->load_data_object( 'Course', $course_id );
+		$sensei_analysis_course = $this->load_data_object('Course', $course_id);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
-		$this->analysis_headers( array( 'nav' => 'course' ) );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
+		$this->analysis_headers(array('nav' => 'course'));
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap course-profile">
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_course->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_course_view()
 
 	/**
@@ -271,26 +271,26 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_user_course_view( $course_id, $user_id ) {
+	public function analysis_user_course_view($course_id, $user_id) {
 
 		// Load Analysis data
-		$sensei_analysis_user_course = $this->load_data_object( 'Course', $course_id, $user_id );
+		$sensei_analysis_user_course = $this->load_data_object('Course', $course_id, $user_id);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
-		$this->analysis_headers( array( 'nav' => 'user_course' ) );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
+		$this->analysis_headers(array('nav' => 'user_course'));
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap course-profile">
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_user_course->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_user_course_view()
 
 	/**
@@ -298,26 +298,26 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_course_users_view( $course_id ) {
+	public function analysis_course_users_view($course_id) {
 
 		// Load Analysis data
-		$sensei_analysis_course_users = $this->load_data_object( 'Course', $course_id );
+		$sensei_analysis_course_users = $this->load_data_object('Course', $course_id);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
-		$this->analysis_headers( array( 'nav' => 'course_users' ) );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
+		$this->analysis_headers(array('nav' => 'course_users'));
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap course-profile">
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_course_users->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_course_users_view()
 
 	/**
@@ -325,26 +325,26 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_lesson_users_view( $lesson_id ) {
+	public function analysis_lesson_users_view($lesson_id) {
 
 		// Load Analysis data
-		$sensei_analysis_lesson_users = $this->load_data_object( 'Lesson', $lesson_id );
+		$sensei_analysis_lesson_users = $this->load_data_object('Lesson', $lesson_id);
 		// Wrappers
-		do_action( 'analysis_before_container' );
-		do_action( 'analysis_wrapper_container', 'top' );
-		$this->analysis_headers( array( 'nav' => 'lesson_users' ) );
+		do_action('analysis_before_container');
+		do_action('analysis_wrapper_container', 'top');
+		$this->analysis_headers(array('nav' => 'lesson_users'));
 		?>
 		<div id="poststuff" class="sensei-analysis-wrap course-profile">
 			<div class="sensei-analysis-main">
 				<?php $sensei_analysis_lesson_users->display(); ?>
 			</div>
 			<div class="sensei-analysis-extra">
-				<?php do_action( 'sensei_analysis_extra' ); ?>
+				<?php do_action('sensei_analysis_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'analysis_wrapper_container', 'bottom' );
-		do_action( 'analysis_after_container' );
+		do_action('analysis_wrapper_container', 'bottom');
+		do_action('analysis_after_container');
 	} // End analysis_lesson_users_view()
 
 	/**
@@ -354,7 +354,7 @@ 
 	 * @param  $data string stats data
 	 * @return void
 	 */
-	public function render_stats_box( $title, $data ) {
+	public function render_stats_box($title, $data) {
 		?><div class="postbox">
 			<h3><span><?php echo $title; ?></span></h3>
 			<div class="inside">
@@ -368,14 +368,14 @@ 
 	 * @since  1.2.0
 	 * @return void
 	 */
-	public function analysis_headers( $args = array( 'nav' => 'default' ) ) {
+	public function analysis_headers($args = array('nav' => 'default')) {
 
-		$function = 'analysis_' . $args['nav'] . '_nav';
+		$function = 'analysis_'.$args['nav'].'_nav';
 		$this->$function();
 		?>
 			<p class="powered-by-woo">
 
-                <?php _e( 'Powered by', 'woothemes-sensei' ); ?>
+                <?php _e('Powered by', 'woothemes-sensei'); ?>
 
                 <a href="http://www.woothemes.com/" title="WooThemes">
 
@@ -386,7 +386,7 @@ 
             </p>
 
 		<?php
-		do_action( 'sensei_analysis_after_headers' );
+		do_action('sensei_analysis_after_headers');
 	} // End analysis_headers()
 
 	/**
@@ -395,10 +395,10 @@ 
 	 * @param $which string
 	 * @return void
 	 */
-	public function wrapper_container( $which ) {
-		if ( 'top' == $which ) {
+	public function wrapper_container($which) {
+		if ('top' == $which) {
 			?><div id="woothemes-sensei" class="wrap woothemes-sensei"><?php
-		} elseif ( 'bottom' == $which ) {
+		} elseif ('bottom' == $which) {
 			?></div><!--/#woothemes-sensei--><?php
 		} // End If Statement
 	} // End wrapper_container()
@@ -410,24 +410,24 @@ 
 	 */
 	public function analysis_default_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', esc_url( add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ) ), esc_html( $this->name ) );
-		$view = isset($_GET['view']) ? esc_html( $_GET['view'] ) : '';
-		switch ( $view ) { 
+		$title = sprintf('<a href="%s">%s</a>', esc_url(add_query_arg(array('page' => $this->page_slug), admin_url('admin.php'))), esc_html($this->name));
+		$view = isset($_GET['view']) ? esc_html($_GET['view']) : '';
+		switch ($view) { 
 			case 'courses' :
-				$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', __( 'Courses', 'woothemes-sensei' ) );
+				$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;%s</span>', __('Courses', 'woothemes-sensei'));
 				break;
 
 			case 'lessons' :
-				$title .= sprintf( '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;%s</span>', __( 'Lessons', 'woothemes-sensei' ) );
+				$title .= sprintf('&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;%s</span>', __('Lessons', 'woothemes-sensei'));
 				break;
 
 			case 'users' :
 			default :
-				$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;%s</span>', __( 'Learners', 'woothemes-sensei' ) );
+				$title .= sprintf('&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;%s</span>', __('Learners', 'woothemes-sensei'));
 				break;
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_default_nav()
 
@@ -438,17 +438,17 @@ 
 	 */
 	public function analysis_user_profile_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', esc_url( add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['user_id'] ) && 0 < intval( $_GET['user_id'] ) ) {
+		$title = sprintf('<a href="%s">%s</a>', esc_url(add_query_arg(array('page' => $this->page_slug), admin_url('admin.php'))), esc_html($this->name));
+		if (isset($_GET['user_id']) && 0 < intval($_GET['user_id'])) {
 
-			$user_id = intval( $_GET['user_id'] );
-			$url = esc_url( add_query_arg( array( 'page' => $this->page_slug, 'user' => $user_id ), admin_url( 'admin.php' ) ) );
-            $user_name = Sensei_Student::get_full_name( $user_id );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name );
+			$user_id = intval($_GET['user_id']);
+			$url = esc_url(add_query_arg(array('page' => $this->page_slug, 'user' => $user_id), admin_url('admin.php')));
+            $user_name = Sensei_Student::get_full_name($user_id);
+			$title .= sprintf('&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name);
 
 		} // End If Statement
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_user_profile_nav()
 
@@ -459,22 +459,22 @@ 
 	 */
 	public function analysis_user_course_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', esc_url( add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['user_id'] ) && 0 < intval( $_GET['user_id'] ) ) {
-			$user_id = intval( $_GET['user_id'] );
-			$user_data = get_userdata( $user_id );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'user_id' => $user_id ), admin_url( 'admin.php' ) );
-            $user_name = Sensei_Student::get_full_name( $user_id );
-            $title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), $user_data->display_name );
+		$title = sprintf('<a href="%s">%s</a>', esc_url(add_query_arg(array('page' => $this->page_slug), admin_url('admin.php'))), esc_html($this->name));
+		if (isset($_GET['user_id']) && 0 < intval($_GET['user_id'])) {
+			$user_id = intval($_GET['user_id']);
+			$user_data = get_userdata($user_id);
+			$url = add_query_arg(array('page' => $this->page_slug, 'user_id' => $user_id), admin_url('admin.php'));
+            $user_name = Sensei_Student::get_full_name($user_id);
+            $title .= sprintf('&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', $url, $user_name);
+			$title .= sprintf('&nbsp;&nbsp;<span class="user-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), $user_data->display_name);
 		} // End If Statement
-		if ( isset( $_GET['course_id'] ) ) { 
-			$course_id = intval( $_GET['course_id'] );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
+		if (isset($_GET['course_id'])) { 
+			$course_id = intval($_GET['course_id']);
+			$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_user_course_nav()
 
@@ -485,14 +485,14 @@ 
 	 */
 	public function analysis_course_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['course_id'] ) ) { 
-			$course_id = intval( $_GET['course_id'] );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>',esc_url( $url ), get_the_title( $course_id ) );
+		$title = sprintf('<a href="%s">%s</a>', add_query_arg(array('page' => $this->page_slug), admin_url('admin.php')), esc_html($this->name));
+		if (isset($_GET['course_id'])) { 
+			$course_id = intval($_GET['course_id']);
+			$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_course_nav()
 
@@ -503,14 +503,14 @@ 
 	 */
 	public function analysis_course_users_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['course_id'] ) ) { 
-			$course_id = intval( $_GET['course_id'] );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
+		$title = sprintf('<a href="%s">%s</a>', add_query_arg(array('page' => $this->page_slug), admin_url('admin.php')), esc_html($this->name));
+		if (isset($_GET['course_id'])) { 
+			$course_id = intval($_GET['course_id']);
+			$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_course_users_nav()
 
@@ -521,17 +521,17 @@ 
 	 */
 	public function analysis_lesson_users_nav() {
 
-		$title = sprintf( '<a href="%s">%s</a>', add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['lesson_id'] ) ) { 
-			$lesson_id = intval( $_GET['lesson_id'] );
-			$course_id = intval( get_post_meta( $lesson_id, '_lesson_course', true ) );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $lesson_id ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $lesson_id ) );
+		$title = sprintf('<a href="%s">%s</a>', add_query_arg(array('page' => $this->page_slug), admin_url('admin.php')), esc_html($this->name));
+		if (isset($_GET['lesson_id'])) { 
+			$lesson_id = intval($_GET['lesson_id']);
+			$course_id = intval(get_post_meta($lesson_id, '_lesson_course', true));
+			$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
+			$url = add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $lesson_id), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($lesson_id));
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_analysis_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_analysis_nav_title', $title); ?></h2>
 		<?php
 	} // End analysis_lesson_users_nav()
 
@@ -542,59 +542,59 @@ 
 	 */
 	public function report_download_page() {
 		// Check if is a report
-		if ( !empty( $_GET['sensei_report_download'] ) ) {
-			$report = sanitize_text_field( $_GET['sensei_report_download'] );
+		if ( ! empty($_GET['sensei_report_download'])) {
+			$report = sanitize_text_field($_GET['sensei_report_download']);
 
 			// Simple verification to ensure intent, Note that a Nonce is per user, so the URL can't be shared
-			if ( !wp_verify_nonce( $_REQUEST['_sdl_nonce'], 'sensei_csv_download-' . $report ) ) {
-				wp_die( __('Invalid request', 'woothemes-sensei') );
+			if ( ! wp_verify_nonce($_REQUEST['_sdl_nonce'], 'sensei_csv_download-'.$report)) {
+				wp_die(__('Invalid request', 'woothemes-sensei'));
 			}
 
 			// Setup the variables we might need
-			$filename = apply_filters( 'sensei_csv_export_filename', $report );
+			$filename = apply_filters('sensei_csv_export_filename', $report);
 			$course_id = 0;
 			$lesson_id = 0;
 			$user_id = 0;
-			if( isset( $_GET['course_id'] ) ) {
-				$course_id = intval( $_GET['course_id'] );
+			if (isset($_GET['course_id'])) {
+				$course_id = intval($_GET['course_id']);
 			}
-			if( isset( $_GET['lesson_id'] ) ) {
-				$lesson_id = intval( $_GET['lesson_id'] );
+			if (isset($_GET['lesson_id'])) {
+				$lesson_id = intval($_GET['lesson_id']);
 			}
-			if( isset( $_GET['user_id'] ) ) {
-				$user_id = intval( $_GET['user_id'] );
+			if (isset($_GET['user_id'])) {
+				$user_id = intval($_GET['user_id']);
 			}
-			$type = isset( $_GET['view'] ) ? esc_html( $_GET['view'] ) : false;
+			$type = isset($_GET['view']) ? esc_html($_GET['view']) : false;
 
-			if ( 0 < $lesson_id ) {
+			if (0 < $lesson_id) {
 				// Viewing a specific Lesson and all its Learners
-				$sensei_analysis_report_object = $this->load_report_object( 'Lesson', $lesson_id );
+				$sensei_analysis_report_object = $this->load_report_object('Lesson', $lesson_id);
 			}
-			elseif ( 0 < $course_id && 0 < $user_id ) {
+			elseif (0 < $course_id && 0 < $user_id) {
 				// Viewing a specific User on a specific Course
-				$sensei_analysis_report_object = $this->load_report_object( 'Course', $course_id, $user_id );
+				$sensei_analysis_report_object = $this->load_report_object('Course', $course_id, $user_id);
 			}
-			elseif( 0 < $course_id ) {
+			elseif (0 < $course_id) {
 				// Viewing a specific Course and all it's Lessons, or it's Learners
-				$sensei_analysis_report_object = $this->load_report_object( 'Course', $course_id );
+				$sensei_analysis_report_object = $this->load_report_object('Course', $course_id);
 			}
-			elseif ( 0 < $user_id ) {
+			elseif (0 < $user_id) {
 				// Viewing a specific Learner, and their Courses
-				$sensei_analysis_report_object = $this->load_report_object( 'User_Profile', $user_id );
+				$sensei_analysis_report_object = $this->load_report_object('User_Profile', $user_id);
 			}
 			else {
 				// Overview of all Learners, all Courses, or all Lessons
-				$sensei_analysis_report_object = $this->load_report_object( 'Overview', $type );
+				$sensei_analysis_report_object = $this->load_report_object('Overview', $type);
 			} // End If Statement
 
 			// Handle the headers
-			$this->report_set_headers( $filename );
+			$this->report_set_headers($filename);
 
 			// Collate the data, there could be many different reports for a single object
-			$report_data_array = $sensei_analysis_report_object->generate_report( $report );
+			$report_data_array = $sensei_analysis_report_object->generate_report($report);
 
 			// Output the data
-			$this->report_write_download( $report_data_array );
+			$this->report_write_download($report_data_array);
 
 			// Cleanly exit
 			exit;
@@ -607,9 +607,9 @@ 
 	 * @param  string $filename name of report file
 	 * @return void
 	 */
-	public function report_set_headers( $filename = '' ) {
-		header( 'Content-Type: text/csv' );
-		header( 'Content-Disposition: attachment;filename=' . $filename . '.csv');
+	public function report_set_headers($filename = '') {
+		header('Content-Type: text/csv');
+		header('Content-Disposition: attachment;filename='.$filename.'.csv');
 	} // End report_set_headers()
 
 	/**
@@ -620,12 +620,12 @@ 
 	 * @param  undefined  $optional_data optional constructor arguments
 	 * @return object                 class instance object
 	 */
-	public function load_report_object( $name = '', $data = 0, $optional_data = null ) {
-		$object_name = 'WooThemes_Sensei_Analysis_' . $name . '_List_Table';
-		if ( is_null($optional_data) ) {
-			$sensei_analysis_report_object = new $object_name( $data );
+	public function load_report_object($name = '', $data = 0, $optional_data = null) {
+		$object_name = 'WooThemes_Sensei_Analysis_'.$name.'_List_Table';
+		if (is_null($optional_data)) {
+			$sensei_analysis_report_object = new $object_name($data);
 		} else {
-			$sensei_analysis_report_object = new $object_name( $data, $optional_data );
+			$sensei_analysis_report_object = new $object_name($data, $optional_data);
 		}
 		return $sensei_analysis_report_object;
 	} // End load_report_object()
@@ -636,7 +636,7 @@ 
 	 * @param  array  $report_array data array
 	 * @return void
 	 */
-	public function report_write_download( $report_data = array() ) {
+	public function report_write_download($report_data = array()) {
 		$fp = fopen('php://output', 'w');
 		foreach ($report_data as $row) {
 			fputcsv($fp, $row);
@@ -652,9 +652,9 @@ 
 	 * @param  object $user_query_object     WP_User_Query Object
 	 * @return array $search_columns         array of user columns to search
 	 */
-	public function user_search_columns_filter( $search_columns, $search, $user_query_object ) {
+	public function user_search_columns_filter($search_columns, $search, $user_query_object) {
 		// Alter $search_columns to include the fields you want to search on
-		array_push( $search_columns, 'display_name' );
+		array_push($search_columns, 'display_name');
 		return $search_columns;
 	}
 

includes/admin/class-sensei-learner-management.php

Indentation +37 added lines, -37 removed lines

@@ -79,17 +79,17 @@ 
 
 		// Load Learners JS
 		wp_enqueue_script( 'sensei-learners-general',
-            Sensei()->plugin_url . 'assets/js/learners-general' . $suffix . '.js',
-                            array('jquery','select2','sensei-chosen-ajax' ), Sensei()->version, true );
+			Sensei()->plugin_url . 'assets/js/learners-general' . $suffix . '.js',
+							array('jquery','select2','sensei-chosen-ajax' ), Sensei()->version, true );
 
 		$data = array(
 			'remove_generic_confirm' => __( 'Are you sure you want to remove this user?', 'woothemes-sensei' ),
 			'remove_from_lesson_confirm' => __( 'Are you sure you want to remove the user from this lesson?', 'woothemes-sensei' ),
 			'remove_from_course_confirm' => __( 'Are you sure you want to remove the user from this course?', 'woothemes-sensei' ),
-            'remove_from_purchased_course_confirm' => __( 'Are you sure you want to remove the user from this course? This order associate with this will also be set to canceled.', 'woothemes-sensei' ),
+			'remove_from_purchased_course_confirm' => __( 'Are you sure you want to remove the user from this course? This order associate with this will also be set to canceled.', 'woothemes-sensei' ),
 			'remove_user_from_post_nonce' => wp_create_nonce( 'remove_user_from_post_nonce' ),
-            'search_users_nonce' => wp_create_nonce( 'search-users' ),
-            'selectplaceholder'=> __( 'Select Learner', 'woothemes-sensei' )
+			'search_users_nonce' => wp_create_nonce( 'search-users' ),
+			'selectplaceholder'=> __( 'Select Learner', 'woothemes-sensei' )
 		);
 
 		wp_localize_script( 'sensei-learners-general', 'woo_learners_general_data', $data );
@@ -274,7 +274,7 @@ 
 			$user_id = intval( $action_data['user_id'] );
 			$post_id = intval( $action_data['post_id'] );
 			$post_type = sanitize_text_field( $action_data['post_type'] );
-            $order_id = sanitize_text_field( $action_data['order_id'] );
+			$order_id = sanitize_text_field( $action_data['order_id'] );
 
 			$user = get_userdata( $user_id );
 
@@ -283,15 +283,15 @@ 
 				case 'course':
 					$removed = Sensei_Utils::sensei_remove_user_from_course( $post_id, $user_id );
 
-                    if( ! empty( $order_id ) && Sensei_WC::is_woocommerce_active()  ){
+					if( ! empty( $order_id ) && Sensei_WC::is_woocommerce_active()  ){
 
-                        $order = new WC_Order($order_id);
+						$order = new WC_Order($order_id);
 
-                        if (!empty($order)) {
-                            $order->update_status( 'cancelled' );
-                        }
+						if (!empty($order)) {
+							$order->update_status( 'cancelled' );
+						}
 
-                    }
+					}
 
 				break;
 
@@ -336,19 +336,19 @@ 
 
 		if ( $users ) {
 			foreach ( $users as $user ) {
-                $full_name = Sensei_Student::get_full_name( $user->ID );
+				$full_name = Sensei_Student::get_full_name( $user->ID );
 
-                if( trim($user->display_name ) == trim( $full_name ) ){
+				if( trim($user->display_name ) == trim( $full_name ) ){
 
-                    $name = $full_name;
+					$name = $full_name;
 
-                }else{
+				}else{
 
-                    $name = $full_name . ' ['. $user->display_name .']';
+					$name = $full_name . ' ['. $user->display_name .']';
 
-                }
+				}
 
-                $found_users[ $user->ID ] = $name  . ' (#' . $user->ID . ' – ' . sanitize_email( $user->user_email ) . ')';
+				$found_users[ $user->ID ] = $name  . ' (#' . $user->ID . ' – ' . sanitize_email( $user->user_email ) . ')';
 			}
 		}
 
@@ -392,7 +392,7 @@ 
 			break;
 
 			case 'lesson':
-                $lesson_id = absint( $_POST['add_lesson_id'] );
+				$lesson_id = absint( $_POST['add_lesson_id'] );
 				$complete = false;
 				if( isset( $_POST['add_complete_lesson'] ) && 'yes' == $_POST['add_complete_lesson'] ) {
 					$complete = true;
@@ -452,23 +452,23 @@ 
 		}
 	}
 
-    /**
-     * Return the full name and surname or the display name of the user.
-     *
-     * The user must have both name and surname otherwise display name will be returned.
-     *
-     * @deprecated since 1.9.0 use Se
-     * @since 1.8.0
-     *
-     * @param int $user_id | bool false for an invalid $user_id
-     *
-     * @return string $full_name
-     */
-    public function get_learner_full_name( $user_id ){
-
-        return Sensei_Student::get_full_name( $user_id );
-
-    } // end get_learner_full_name
+	/**
+	 * Return the full name and surname or the display name of the user.
+	 *
+	 * The user must have both name and surname otherwise display name will be returned.
+	 *
+	 * @deprecated since 1.9.0 use Se
+	 * @since 1.8.0
+	 *
+	 * @param int $user_id | bool false for an invalid $user_id
+	 *
+	 * @return string $full_name
+	 */
+	public function get_learner_full_name( $user_id ){
+
+		return Sensei_Student::get_full_name( $user_id );
+
+	} // end get_learner_full_name
 
 } // End Class
 

Spacing +137 added lines, -137 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Learners Class
@@ -23,30 +23,30 @@ 
 	 * @since  1.6.0
 	 * @return  void
 	 */
-	public function __construct ( $file ) {
-		$this->name = __( 'Learner Management', 'woothemes-sensei' );;
+	public function __construct($file) {
+		$this->name = __('Learner Management', 'woothemes-sensei'); ;
 		$this->file = $file;
 		$this->page_slug = 'sensei_learners';
 
 		// Admin functions
-		if ( is_admin() ) {
-			add_action( 'admin_menu', array( $this, 'learners_admin_menu' ), 30);
-			add_action( 'learners_wrapper_container', array( $this, 'wrapper_container'  ) );
-			if ( isset( $_GET['page'] ) && ( $_GET['page'] == $this->page_slug ) ) {
-				add_action( 'admin_print_scripts', array( $this, 'enqueue_scripts' ) );
-				add_action( 'admin_print_styles', array( $this, 'enqueue_styles' ) );
+		if (is_admin()) {
+			add_action('admin_menu', array($this, 'learners_admin_menu'), 30);
+			add_action('learners_wrapper_container', array($this, 'wrapper_container'));
+			if (isset($_GET['page']) && ($_GET['page'] == $this->page_slug)) {
+				add_action('admin_print_scripts', array($this, 'enqueue_scripts'));
+				add_action('admin_print_styles', array($this, 'enqueue_styles'));
 			}
 
-			add_action( 'admin_init', array( $this, 'add_new_learners' ) );
+			add_action('admin_init', array($this, 'add_new_learners'));
 
-			add_action( 'admin_notices', array( $this, 'add_learner_notices' ) );
+			add_action('admin_notices', array($this, 'add_learner_notices'));
 		} // End If Statement
 
 		// Ajax functions
-		if ( is_admin() ) {
-			add_action( 'wp_ajax_get_redirect_url_learners', array( $this, 'get_redirect_url' ) );
-			add_action( 'wp_ajax_remove_user_from_post', array( $this, 'remove_user_from_post' ) );
-			add_action( 'wp_ajax_sensei_json_search_users', array( $this, 'json_search_users' ) );
+		if (is_admin()) {
+			add_action('wp_ajax_get_redirect_url_learners', array($this, 'get_redirect_url'));
+			add_action('wp_ajax_remove_user_from_post', array($this, 'remove_user_from_post'));
+			add_action('wp_ajax_sensei_json_search_users', array($this, 'json_search_users'));
 		}
 	} // End __construct()
 
@@ -59,8 +59,8 @@ 
 	public function learners_admin_menu() {
 		global $menu;
 
-		if ( current_user_can( 'manage_sensei_grades' ) ) {
-			$learners_page = add_submenu_page( 'sensei', $this->name, $this->name, 'manage_sensei_grades', $this->page_slug, array( $this, 'learners_page' ) );
+		if (current_user_can('manage_sensei_grades')) {
+			$learners_page = add_submenu_page('sensei', $this->name, $this->name, 'manage_sensei_grades', $this->page_slug, array($this, 'learners_page'));
 		}
 
 	} // End learners_admin_menu()
@@ -73,26 +73,26 @@ 
 	 * @since 1.6.0
 	 * @return void
 	 */
-	public function enqueue_scripts () {
+	public function enqueue_scripts() {
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
 		// Load Learners JS
-		wp_enqueue_script( 'sensei-learners-general',
-            Sensei()->plugin_url . 'assets/js/learners-general' . $suffix . '.js',
-                            array('jquery','select2','sensei-chosen-ajax' ), Sensei()->version, true );
+		wp_enqueue_script('sensei-learners-general',
+            Sensei()->plugin_url.'assets/js/learners-general'.$suffix.'.js',
+                            array('jquery', 'select2', 'sensei-chosen-ajax'), Sensei()->version, true);
 
 		$data = array(
-			'remove_generic_confirm' => __( 'Are you sure you want to remove this user?', 'woothemes-sensei' ),
-			'remove_from_lesson_confirm' => __( 'Are you sure you want to remove the user from this lesson?', 'woothemes-sensei' ),
-			'remove_from_course_confirm' => __( 'Are you sure you want to remove the user from this course?', 'woothemes-sensei' ),
-            'remove_from_purchased_course_confirm' => __( 'Are you sure you want to remove the user from this course? This order associate with this will also be set to canceled.', 'woothemes-sensei' ),
-			'remove_user_from_post_nonce' => wp_create_nonce( 'remove_user_from_post_nonce' ),
-            'search_users_nonce' => wp_create_nonce( 'search-users' ),
-            'selectplaceholder'=> __( 'Select Learner', 'woothemes-sensei' )
+			'remove_generic_confirm' => __('Are you sure you want to remove this user?', 'woothemes-sensei'),
+			'remove_from_lesson_confirm' => __('Are you sure you want to remove the user from this lesson?', 'woothemes-sensei'),
+			'remove_from_course_confirm' => __('Are you sure you want to remove the user from this course?', 'woothemes-sensei'),
+            'remove_from_purchased_course_confirm' => __('Are you sure you want to remove the user from this course? This order associate with this will also be set to canceled.', 'woothemes-sensei'),
+			'remove_user_from_post_nonce' => wp_create_nonce('remove_user_from_post_nonce'),
+            'search_users_nonce' => wp_create_nonce('search-users'),
+            'selectplaceholder'=> __('Select Learner', 'woothemes-sensei')
 		);
 
-		wp_localize_script( 'sensei-learners-general', 'woo_learners_general_data', $data );
+		wp_localize_script('sensei-learners-general', 'woo_learners_general_data', $data);
 
 	} // End enqueue_scripts()
 
@@ -104,9 +104,9 @@ 
 	 * @since 1.6.0
 	 * @return void
 	 */
-	public function enqueue_styles () {
+	public function enqueue_styles() {
 
-		wp_enqueue_style( 'woothemes-sensei-admin' );
+		wp_enqueue_style('woothemes-sensei-admin');
 
 	} // End enqueue_styles()
 
@@ -118,11 +118,11 @@ 
 	public function load_data_table_files() {
 
 		// Load Learners Classes
-		$classes_to_load = array(	'list-table',
+		$classes_to_load = array('list-table',
 									'learners-main',
 									);
-		foreach ( $classes_to_load as $class_file ) {
-			Sensei()->load_class( $class_file );
+		foreach ($classes_to_load as $class_file) {
+			Sensei()->load_class($class_file);
 		} // End For Loop
 	} // End load_data_table_files()
 
@@ -134,15 +134,15 @@ 
 	 * @param  undefined  $optional_data optional constructor arguments
 	 * @return object                 class instance object
 	 */
-	public function load_data_object( $name = '', $data = 0, $optional_data = null ) {
+	public function load_data_object($name = '', $data = 0, $optional_data = null) {
 		// Load Analysis data
-		$object_name = 'WooThemes_Sensei_Learners_' . $name;
-		if ( is_null($optional_data) ) {
-			$sensei_learners_object = new $object_name( $data );
+		$object_name = 'WooThemes_Sensei_Learners_'.$name;
+		if (is_null($optional_data)) {
+			$sensei_learners_object = new $object_name($data);
 		} else {
-			$sensei_learners_object = new $object_name( $data, $optional_data );
+			$sensei_learners_object = new $object_name($data, $optional_data);
 		} // End If Statement
-		if ( 'Main' == $name ) {
+		if ('Main' == $name) {
 			$sensei_learners_object->prepare_items();
 		} // End If Statement
 		return $sensei_learners_object;
@@ -159,16 +159,16 @@ 
 		// Load Learners data
 		$course_id = 0;
 		$lesson_id = 0;
-		if( isset( $_GET['course_id'] ) ) {
-			$course_id = intval( $_GET['course_id'] );
+		if (isset($_GET['course_id'])) {
+			$course_id = intval($_GET['course_id']);
 		}
-		if( isset( $_GET['lesson_id'] ) ) {
-			$lesson_id = intval( $_GET['lesson_id'] );
+		if (isset($_GET['lesson_id'])) {
+			$lesson_id = intval($_GET['lesson_id']);
 		}
-		$sensei_learners_main = $this->load_data_object( 'Main', $course_id, $lesson_id );
+		$sensei_learners_main = $this->load_data_object('Main', $course_id, $lesson_id);
 		// Wrappers
-		do_action( 'learners_before_container' );
-		do_action( 'learners_wrapper_container', 'top' );
+		do_action('learners_before_container');
+		do_action('learners_wrapper_container', 'top');
 		$this->learners_headers();
 		?>
 		<div id="poststuff" class="sensei-learners-wrap">
@@ -176,12 +176,12 @@ 
 				<?php $sensei_learners_main->display(); ?>
 			</div>
 			<div class="sensei-learners-extra">
-				<?php do_action( 'sensei_learners_extra' ); ?>
+				<?php do_action('sensei_learners_extra'); ?>
 			</div>
 		</div>
 		<?php
-		do_action( 'learners_wrapper_container', 'bottom' );
-		do_action( 'learners_after_container' );
+		do_action('learners_wrapper_container', 'bottom');
+		do_action('learners_after_container');
 	} // End learners_default_view()
 
 	/**
@@ -189,15 +189,15 @@ 
 	 * @since  1.6.0
 	 * @return void
 	 */
-	public function learners_headers( $args = array( 'nav' => 'default' ) ) {
+	public function learners_headers($args = array('nav' => 'default')) {
 
 
-		$function = 'learners_' . $args['nav'] . '_nav';
+		$function = 'learners_'.$args['nav'].'_nav';
 		$this->$function();
 		?>
-			<p class="powered-by-woo"><?php _e( 'Powered by', 'woothemes-sensei' ); ?><a href="http://www.woothemes.com/" title="WooThemes"><img src="<?php echo Sensei()->plugin_url; ?>assets/images/woothemes.png" alt="WooThemes" /></a></p>
+			<p class="powered-by-woo"><?php _e('Powered by', 'woothemes-sensei'); ?><a href="http://www.woothemes.com/" title="WooThemes"><img src="<?php echo Sensei()->plugin_url; ?>assets/images/woothemes.png" alt="WooThemes" /></a></p>
 		<?php
-		do_action( 'sensei_learners_after_headers' );
+		do_action('sensei_learners_after_headers');
 	} // End learners_headers()
 
 	/**
@@ -206,10 +206,10 @@ 
 	 * @param $which string
 	 * @return void
 	 */
-	public function wrapper_container( $which ) {
-		if ( 'top' == $which ) {
+	public function wrapper_container($which) {
+		if ('top' == $which) {
 			?><div id="woothemes-sensei" class="wrap woothemes-sensei"><?php
-		} elseif ( 'bottom' == $which ) {
+		} elseif ('bottom' == $which) {
 			?></div><!--/#woothemes-sensei--><?php
 		} // End If Statement
 	} // End wrapper_container()
@@ -220,18 +220,18 @@ 
 	 * @return void
 	 */
 	public function learners_default_nav() {
-		$title = sprintf( '<a href="%s">%s</a>', esc_url( add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) ) ), esc_html( $this->name ) );
-		if ( isset( $_GET['course_id'] ) ) { 
-			$course_id = intval( $_GET['course_id'] );
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id, 'view' => 'learners' ), admin_url( 'admin.php' ) );
-			$title .= sprintf( '&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url( $url ), get_the_title( $course_id ) );
+		$title = sprintf('<a href="%s">%s</a>', esc_url(add_query_arg(array('page' => $this->page_slug), admin_url('admin.php'))), esc_html($this->name));
+		if (isset($_GET['course_id'])) { 
+			$course_id = intval($_GET['course_id']);
+			$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id, 'view' => 'learners'), admin_url('admin.php'));
+			$title .= sprintf('&nbsp;&nbsp;<span class="course-title">&gt;&nbsp;&nbsp;<a href="%s">%s</a></span>', esc_url($url), get_the_title($course_id));
 		}
-		if ( isset( $_GET['lesson_id'] ) ) { 
-			$lesson_id = intval( $_GET['lesson_id'] );
-			$title .= '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;' . get_the_title( intval( $lesson_id ) ) . '</span>'; 
+		if (isset($_GET['lesson_id'])) { 
+			$lesson_id = intval($_GET['lesson_id']);
+			$title .= '&nbsp;&nbsp;<span class="lesson-title">&gt;&nbsp;&nbsp;'.get_the_title(intval($lesson_id)).'</span>'; 
 		}
 		?>
-			<h2><?php echo apply_filters( 'sensei_learners_nav_title', $title ); ?></h2>
+			<h2><?php echo apply_filters('sensei_learners_nav_title', $title); ?></h2>
 		<?php
 	} // End learners_default_nav()
 
@@ -240,13 +240,13 @@ 
 		// Parse POST data
 		$data = $_POST['data'];
 		$course_data = array();
-		parse_str( $data, $course_data );
+		parse_str($data, $course_data);
 
-		$course_cat = intval( $course_data['course_cat'] );
+		$course_cat = intval($course_data['course_cat']);
 
-		$redirect_url = apply_filters( 'sensei_ajax_redirect_url', add_query_arg( array( 'page' => $this->page_slug, 'course_cat' => $course_cat ), admin_url( 'admin.php' ) ) );
+		$redirect_url = apply_filters('sensei_ajax_redirect_url', add_query_arg(array('page' => $this->page_slug, 'course_cat' => $course_cat), admin_url('admin.php')));
 
-		echo esc_url_raw( $redirect_url );
+		echo esc_url_raw($redirect_url);
 		die();
 	}
 
@@ -257,38 +257,38 @@ 
 
 		// Security check
 		$nonce = '';
-		if ( isset($_POST['remove_user_from_post_nonce']) ) {
-			$nonce = esc_html( $_POST['remove_user_from_post_nonce'] );
+		if (isset($_POST['remove_user_from_post_nonce'])) {
+			$nonce = esc_html($_POST['remove_user_from_post_nonce']);
 		}
-		if ( ! wp_verify_nonce( $nonce, 'remove_user_from_post_nonce' ) ) {
-			die( $return );
+		if ( ! wp_verify_nonce($nonce, 'remove_user_from_post_nonce')) {
+			die($return);
 		}
 
 		// Parse POST data
 		$data = $_POST['data'];
 		$action_data = array();
-		parse_str( $data, $action_data );
+		parse_str($data, $action_data);
 
-		if( $action_data['user_id'] && $action_data['post_id'] && $action_data['post_type'] ) {
+		if ($action_data['user_id'] && $action_data['post_id'] && $action_data['post_type']) {
 
-			$user_id = intval( $action_data['user_id'] );
-			$post_id = intval( $action_data['post_id'] );
-			$post_type = sanitize_text_field( $action_data['post_type'] );
-            $order_id = sanitize_text_field( $action_data['order_id'] );
+			$user_id = intval($action_data['user_id']);
+			$post_id = intval($action_data['post_id']);
+			$post_type = sanitize_text_field($action_data['post_type']);
+            $order_id = sanitize_text_field($action_data['order_id']);
 
-			$user = get_userdata( $user_id );
+			$user = get_userdata($user_id);
 
-			switch( $post_type ) {
+			switch ($post_type) {
 
 				case 'course':
-					$removed = Sensei_Utils::sensei_remove_user_from_course( $post_id, $user_id );
+					$removed = Sensei_Utils::sensei_remove_user_from_course($post_id, $user_id);
 
-                    if( ! empty( $order_id ) && Sensei_WC::is_woocommerce_active()  ){
+                    if ( ! empty($order_id) && Sensei_WC::is_woocommerce_active()) {
 
                         $order = new WC_Order($order_id);
 
-                        if (!empty($order)) {
-                            $order->update_status( 'cancelled' );
+                        if ( ! empty($order)) {
+                            $order->update_status('cancelled');
                         }
 
                     }
@@ -296,126 +296,126 @@ 
 				break;
 
 				case 'lesson':
-					$removed = Sensei_Utils::sensei_remove_user_from_lesson( $post_id, $user_id );
+					$removed = Sensei_Utils::sensei_remove_user_from_lesson($post_id, $user_id);
 				break;
 
 			}
 
-			if( $removed ) {
+			if ($removed) {
 				$return = 'removed';
 			}
 
 		}
 
-		die( $return );
+		die($return);
 	}
 
 	public function json_search_users() {
 
 
-		check_ajax_referer( 'search-users', 'security' );
+		check_ajax_referer('search-users', 'security');
 
-		$term = sanitize_text_field( stripslashes( $_GET['term'] ) );
+		$term = sanitize_text_field(stripslashes($_GET['term']));
 
-		if ( empty( $term ) ) {
+		if (empty($term)) {
 			die();
 		}
 
-		$default = isset( $_GET['default'] ) ? $_GET['default'] : __( 'None', 'woocommerce' );
+		$default = isset($_GET['default']) ? $_GET['default'] : __('None', 'woocommerce');
 
-		$found_users = array( '' => $default );
+		$found_users = array('' => $default);
 
-		$users_query = new WP_User_Query( apply_filters( 'sensei_json_search_users_query', array(
+		$users_query = new WP_User_Query(apply_filters('sensei_json_search_users_query', array(
 			'fields'         => 'all',
 			'orderby'        => 'display_name',
-			'search'         => '*' . $term . '*',
-			'search_columns' => array( 'ID', 'user_login', 'user_email', 'user_nicename','user_firstname','user_lastname' )
-		), $term ) );
+			'search'         => '*'.$term.'*',
+			'search_columns' => array('ID', 'user_login', 'user_email', 'user_nicename', 'user_firstname', 'user_lastname')
+		), $term));
 
 		$users = $users_query->get_results();
 
-		if ( $users ) {
-			foreach ( $users as $user ) {
-                $full_name = Sensei_Student::get_full_name( $user->ID );
+		if ($users) {
+			foreach ($users as $user) {
+                $full_name = Sensei_Student::get_full_name($user->ID);
 
-                if( trim($user->display_name ) == trim( $full_name ) ){
+                if (trim($user->display_name) == trim($full_name)) {
 
                     $name = $full_name;
 
-                }else{
+                } else {
 
-                    $name = $full_name . ' ['. $user->display_name .']';
+                    $name = $full_name.' ['.$user->display_name.']';
 
                 }
 
-                $found_users[ $user->ID ] = $name  . ' (#' . $user->ID . ' &ndash; ' . sanitize_email( $user->user_email ) . ')';
+                $found_users[$user->ID] = $name.' (#'.$user->ID.' &ndash; '.sanitize_email($user->user_email).')';
 			}
 		}
 
-		wp_send_json( $found_users );
+		wp_send_json($found_users);
 	}
 
 	public function add_new_learners() {
 
 		$result = false;
 
-		if( ! isset( $_POST['add_learner_submit'] ) ) return $result;
+		if ( ! isset($_POST['add_learner_submit'])) return $result;
 
-		if ( ! isset( $_POST['add_learner_nonce'] ) || ! wp_verify_nonce( $_POST['add_learner_nonce'], 'add_learner_to_sensei' ) ) return $result;
+		if ( ! isset($_POST['add_learner_nonce']) || ! wp_verify_nonce($_POST['add_learner_nonce'], 'add_learner_to_sensei')) return $result;
 
-		if( ( ! isset( $_POST['add_user_id'] ) || '' ==  $_POST['add_user_id'] ) || ! isset( $_POST['add_post_type'] ) || ! isset( $_POST['add_course_id'] ) || ! isset( $_POST['add_lesson_id'] ) ) return $result;
+		if (( ! isset($_POST['add_user_id']) || '' == $_POST['add_user_id']) || ! isset($_POST['add_post_type']) || ! isset($_POST['add_course_id']) || ! isset($_POST['add_lesson_id'])) return $result;
 
 		$post_type = $_POST['add_post_type'];
-		$user_id = absint( $_POST['add_user_id'] );
-		$course_id = absint( $_POST['add_course_id'] );
+		$user_id = absint($_POST['add_user_id']);
+		$course_id = absint($_POST['add_course_id']);
 
-		switch( $post_type ) {
+		switch ($post_type) {
 			case 'course':
 
-				$result = Sensei_Utils::user_start_course( $user_id, $course_id );
+				$result = Sensei_Utils::user_start_course($user_id, $course_id);
 
 				// Complete each lesson if course is set to be completed
-				if( isset( $_POST['add_complete_course'] ) && 'yes' == $_POST['add_complete_course'] ) {
+				if (isset($_POST['add_complete_course']) && 'yes' == $_POST['add_complete_course']) {
 
-					$lesson_ids = Sensei()->course->course_lessons( $course_id, 'any', 'ids' );
+					$lesson_ids = Sensei()->course->course_lessons($course_id, 'any', 'ids');
 
-					foreach( $lesson_ids as $id ) {
-						Sensei_Utils::sensei_start_lesson( $id, $user_id, true );
+					foreach ($lesson_ids as $id) {
+						Sensei_Utils::sensei_start_lesson($id, $user_id, true);
 					}
 
 					// Updates the Course status and it's meta data
-					Sensei_Utils::user_complete_course( $course_id, $user_id );
+					Sensei_Utils::user_complete_course($course_id, $user_id);
 
-					do_action( 'sensei_user_course_end', $user_id, $course_id );
+					do_action('sensei_user_course_end', $user_id, $course_id);
 				}
 
 			break;
 
 			case 'lesson':
-                $lesson_id = absint( $_POST['add_lesson_id'] );
+                $lesson_id = absint($_POST['add_lesson_id']);
 				$complete = false;
-				if( isset( $_POST['add_complete_lesson'] ) && 'yes' == $_POST['add_complete_lesson'] ) {
+				if (isset($_POST['add_complete_lesson']) && 'yes' == $_POST['add_complete_lesson']) {
 					$complete = true;
 				}
 
-				$result = Sensei_Utils::sensei_start_lesson( $lesson_id, $user_id, $complete );
+				$result = Sensei_Utils::sensei_start_lesson($lesson_id, $user_id, $complete);
 
 				// Updates the Course status and it's meta data
-				Sensei_Utils::user_complete_course( $course_id, $user_id );
+				Sensei_Utils::user_complete_course($course_id, $user_id);
 
 			break;
 		}
 
 		// Set redirect URL after adding user to course/lesson
-		$query_args = array( 'page' => $this->page_slug, 'view' => 'learners' );
+		$query_args = array('page' => $this->page_slug, 'view' => 'learners');
 
-		if( $result ) {
+		if ($result) {
 
-			if( $course_id ) {
+			if ($course_id) {
 				$query_args['course_id'] = $course_id;
 			}
 
-			if( $lesson_id ) {
+			if ($lesson_id) {
 				$query_args['lesson_id'] = $lesson_id;
 			}
 
@@ -425,23 +425,23 @@ 
 			$query_args['message'] = 'error';
 		}
 
-		$redirect_url = apply_filters( 'sensei_learners_add_learner_redirect_url', add_query_arg( $query_args, admin_url( 'admin.php' ) ) );
+		$redirect_url = apply_filters('sensei_learners_add_learner_redirect_url', add_query_arg($query_args, admin_url('admin.php')));
 
-		wp_safe_redirect( esc_url_raw( $redirect_url ) );
+		wp_safe_redirect(esc_url_raw($redirect_url));
 		exit;
 	}
 
 	public function add_learner_notices() {
-		if( isset( $_GET['page'] ) && $this->page_slug == $_GET['page'] && isset( $_GET['message'] ) && $_GET['message'] ) {
-			if( 'success' == $_GET['message'] ) {
+		if (isset($_GET['page']) && $this->page_slug == $_GET['page'] && isset($_GET['message']) && $_GET['message']) {
+			if ('success' == $_GET['message']) {
 				$msg = array(
 					'updated',
-					__( 'Learner added successfully!', 'woothemes-sensei' ),
+					__('Learner added successfully!', 'woothemes-sensei'),
 				);
 			} else {
 				$msg = array(
 					'error',
-					__( 'Error adding learner.', 'woothemes-sensei' ),
+					__('Error adding learner.', 'woothemes-sensei'),
 				);
 			}
 			?>
@@ -464,9 +464,9 @@ 
      *
      * @return string $full_name
      */
-    public function get_learner_full_name( $user_id ){
+    public function get_learner_full_name($user_id) {
 
-        return Sensei_Student::get_full_name( $user_id );
+        return Sensei_Student::get_full_name($user_id);
 
     } // end get_learner_full_name
 
@@ -477,4 +477,4 @@ 
  * for backward compatibility
  * @since 1.9.0
  */
-class WooThemes_Sensei_Learners extends Sensei_Learner_Management{}
+class WooThemes_Sensei_Learners extends Sensei_Learner_Management {}

Braces +14 added lines, -5 removed lines

@@ -1,5 +1,8 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+// Exit if accessed directly
 
 /**
  * Sensei Learners Class
@@ -342,7 +345,7 @@ 
 
                     $name = $full_name;
 
-                }else{
+                } else{
 
                     $name = $full_name . ' ['. $user->display_name .']';
 
@@ -359,11 +362,17 @@ 
 
 		$result = false;
 
-		if( ! isset( $_POST['add_learner_submit'] ) ) return $result;
+		if( ! isset( $_POST['add_learner_submit'] ) ) {
+			return $result;
+		}
 
-		if ( ! isset( $_POST['add_learner_nonce'] ) || ! wp_verify_nonce( $_POST['add_learner_nonce'], 'add_learner_to_sensei' ) ) return $result;
+		if ( ! isset( $_POST['add_learner_nonce'] ) || ! wp_verify_nonce( $_POST['add_learner_nonce'], 'add_learner_to_sensei' ) ) {
+			return $result;
+		}
 
-		if( ( ! isset( $_POST['add_user_id'] ) || '' ==  $_POST['add_user_id'] ) || ! isset( $_POST['add_post_type'] ) || ! isset( $_POST['add_course_id'] ) || ! isset( $_POST['add_lesson_id'] ) ) return $result;
+		if( ( ! isset( $_POST['add_user_id'] ) || '' ==  $_POST['add_user_id'] ) || ! isset( $_POST['add_post_type'] ) || ! isset( $_POST['add_course_id'] ) || ! isset( $_POST['add_lesson_id'] ) ) {
+			return $result;
+		}
 
 		$post_type = $_POST['add_post_type'];
 		$user_id = absint( $_POST['add_user_id'] );

includes/class-sensei-learner-profiles.php

Indentation +47 added lines, -47 removed lines

@@ -13,10 +13,10 @@ 
  * @since 1.4.0
  */
 class Sensei_Learner_Profiles {
-    /**
-     * @var string
-     */
-    private $profile_url_base;
+	/**
+	 * @var string
+	 */
+	private $profile_url_base;
 
 	/**
 	 * Constructor.
@@ -63,7 +63,7 @@ 
 		if( isset( $wp_query->query_vars['learner_profile'] ) ) {
 			$learner_user = get_user_by( 'login', $wp_query->query_vars['learner_profile'] );
 
-            $name = Sensei_Student::get_full_name( $learner_user->ID );
+			$name = Sensei_Student::get_full_name( $learner_user->ID );
 
 			$title = apply_filters( 'sensei_learner_profile_courses_heading', sprintf( __( 'Courses %s is taking', 'woothemes-sensei' ), $name ) ) . ' ' . $sep . ' ';
 		}
@@ -111,7 +111,7 @@ 
 
 			if( isset( $wp_query->query_vars['learner_profile'] ) ) {
 
-                Sensei_Templates::get_template( 'learner-profile/learner-info.php' );
+				Sensei_Templates::get_template( 'learner-profile/learner-info.php' );
 
 			}
 		}
@@ -141,43 +141,43 @@ 
 	 */
 	public static function user_info( $user ) {
 
-        /**
-         * This hooke fires inside the Sensei_Learner_Profiles::user_info function.
-         * just before the htmls is generated.
-         * @since 1.0.0
-         */
-        do_action( 'sensei_learner_profile_info', $user );
-
-        /**
-         * This filter runs inside the Sensei_Learner_Profiles::user_info function.
-         * Here you can change the user avatar.
-         *
-         * @since 1.0.0
-         *
-         * @param false|string `<img>` $user_avatar
-         */
+		/**
+		 * This hooke fires inside the Sensei_Learner_Profiles::user_info function.
+		 * just before the htmls is generated.
+		 * @since 1.0.0
+		 */
+		do_action( 'sensei_learner_profile_info', $user );
+
+		/**
+		 * This filter runs inside the Sensei_Learner_Profiles::user_info function.
+		 * Here you can change the user avatar.
+		 *
+		 * @since 1.0.0
+		 *
+		 * @param false|string `<img>` $user_avatar
+		 */
 		$learner_avatar = apply_filters( 'sensei_learner_profile_info_avatar', get_avatar( $user->ID, 120 ), $user->ID );
 
-        /**
-         * This filter runs inside the Sensei_Learner_Profiles::user_info function.
-         * Here you can change the learner profile user display name.
-         * @since 1.0.0
-         *
-         * @param string $user_display_name
-         * @param string $user_id
-         */
+		/**
+		 * This filter runs inside the Sensei_Learner_Profiles::user_info function.
+		 * Here you can change the learner profile user display name.
+		 * @since 1.0.0
+		 *
+		 * @param string $user_display_name
+		 * @param string $user_id
+		 */
 		$learner_name = apply_filters( 'sensei_learner_profile_info_name', $user->display_name, $user->ID );
 
-        /**
-         * This filter runs inside the Sensei_Learner_Profiles::user_info function.
-         * With this filter can change the users description on the learner user info
-         * output.
-         *
-         * @since 1.0.0
-         *
-         * @param string $user_description
-         * @param string $user_id
-         */
+		/**
+		 * This filter runs inside the Sensei_Learner_Profiles::user_info function.
+		 * With this filter can change the users description on the learner user info
+		 * output.
+		 *
+		 * @since 1.0.0
+		 *
+		 * @param string $user_description
+		 * @param string $user_id
+		 */
 		$learner_bio = apply_filters( 'sensei_learner_profile_info_bio', $user->description, $user->ID );
 		?>
 
@@ -211,16 +211,16 @@ 
 		return $classes;
 	}
 
-    /**
-     * Deprecate the deprecate_sensei_learner_profile_content hook
-     *
-     * @since 1.9.0
-     */
-    public static function deprecate_sensei_learner_profile_content_hook(){
+	/**
+	 * Deprecate the deprecate_sensei_learner_profile_content hook
+	 *
+	 * @since 1.9.0
+	 */
+	public static function deprecate_sensei_learner_profile_content_hook(){
 
-        sensei_do_deprecated_action( 'sensei_learner_profile_content', '1.9.0', 'sensei_learner_profile_content_before' );
+		sensei_do_deprecated_action( 'sensei_learner_profile_content', '1.9.0', 'sensei_learner_profile_content_before' );
 
-    }
+	}
 
 
 } // End Class

Spacing +40 added lines, -40 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Learner Profiles Class
@@ -22,20 +22,20 @@ 
 	 * Constructor.
 	 * @since  1.4.0
 	 */
-	public function __construct () {
+	public function __construct() {
 
 		// Setup learner profile URL base
-		$this->profile_url_base = apply_filters( 'sensei_learner_profiles_url_base', __( 'learner', 'woothemes-sensei') );
+		$this->profile_url_base = apply_filters('sensei_learner_profiles_url_base', __('learner', 'woothemes-sensei'));
 
 		// Setup permalink structure for learner profiles
-		add_action( 'init', array( $this, 'setup_permastruct' ) );
-		add_filter( 'wp_title', array( $this, 'page_title' ), 10, 2 );
+		add_action('init', array($this, 'setup_permastruct'));
+		add_filter('wp_title', array($this, 'page_title'), 10, 2);
 
 		// Set heading for courses section of learner profiles
-		add_action( 'sensei_learner_profile_info', array( $this, 'learner_profile_courses_heading' ), 30, 1 );
+		add_action('sensei_learner_profile_info', array($this, 'learner_profile_courses_heading'), 30, 1);
 
 		// Add class to body tag
-		add_filter( 'body_class', array( $this, 'learner_profile_body_class' ), 10, 1 );
+		add_filter('body_class', array($this, 'learner_profile_body_class'), 10, 1);
 	} // End __construct()
 
 	/**
@@ -46,9 +46,9 @@ 
 	public function setup_permastruct() {
 
 
-		if( isset( Sensei()->settings->settings[ 'learner_profile_enable' ] ) && Sensei()->settings->settings[ 'learner_profile_enable' ] ) {
-			add_rewrite_rule( '^' . $this->profile_url_base . '/([^/]*)/?', 'index.php?learner_profile=$matches[1]', 'top' );
-			add_rewrite_tag( '%learner_profile%', '([^&]+)' );
+		if (isset(Sensei()->settings->settings['learner_profile_enable']) && Sensei()->settings->settings['learner_profile_enable']) {
+			add_rewrite_rule('^'.$this->profile_url_base.'/([^/]*)/?', 'index.php?learner_profile=$matches[1]', 'top');
+			add_rewrite_tag('%learner_profile%', '([^&]+)');
 		}
 	}
 
@@ -58,14 +58,14 @@ 
 	 * @param  string $sep   Seeparator string
 	 * @return string        Modified title
 	 */
-	public function page_title( $title, $sep = null ) {
+	public function page_title($title, $sep = null) {
 		global $wp_query;
-		if( isset( $wp_query->query_vars['learner_profile'] ) ) {
-			$learner_user = get_user_by( 'login', $wp_query->query_vars['learner_profile'] );
+		if (isset($wp_query->query_vars['learner_profile'])) {
+			$learner_user = get_user_by('login', $wp_query->query_vars['learner_profile']);
 
-            $name = Sensei_Student::get_full_name( $learner_user->ID );
+            $name = Sensei_Student::get_full_name($learner_user->ID);
 
-			$title = apply_filters( 'sensei_learner_profile_courses_heading', sprintf( __( 'Courses %s is taking', 'woothemes-sensei' ), $name ) ) . ' ' . $sep . ' ';
+			$title = apply_filters('sensei_learner_profile_courses_heading', sprintf(__('Courses %s is taking', 'woothemes-sensei'), $name)).' '.$sep.' ';
 		}
 		return $title;
 	}
@@ -76,23 +76,23 @@ 
 	 * @param  integer $user_id ID of user
 	 * @return string           The learner profile permalink
 	 */
-	public function get_permalink( $user_id = 0 ) {
+	public function get_permalink($user_id = 0) {
 		$user = false;
-		if( $user_id == 0 ) {
+		if ($user_id == 0) {
 			global $current_user;
 			wp_get_current_user();
 			$user = $current_user;
 		} else {
-			$user = get_userdata( $user_id );
+			$user = get_userdata($user_id);
 		}
 
 		$permalink = '';
 
-		if( $user ) {
-			if ( get_option('permalink_structure') ) {
-				$permalink = trailingslashit( get_site_url() ) . $this->profile_url_base . '/' . $user->user_nicename;
+		if ($user) {
+			if (get_option('permalink_structure')) {
+				$permalink = trailingslashit(get_site_url()).$this->profile_url_base.'/'.$user->user_nicename;
 			} else {
-				$permalink = trailingslashit( get_site_url() ) . '?learner_profile=' . $user->user_nicename;
+				$permalink = trailingslashit(get_site_url()).'?learner_profile='.$user->user_nicename;
 			}
 		}
 
@@ -105,13 +105,13 @@ 
 	 * @return void
 	 */
 	public function content() {
-		global $wp_query,  $learner_user, $current_user;
+		global $wp_query, $learner_user, $current_user;
 
-		if( isset( Sensei()->settings->settings[ 'learner_profile_enable' ] ) && Sensei()->settings->settings[ 'learner_profile_enable' ] ) {
+		if (isset(Sensei()->settings->settings['learner_profile_enable']) && Sensei()->settings->settings['learner_profile_enable']) {
 
-			if( isset( $wp_query->query_vars['learner_profile'] ) ) {
+			if (isset($wp_query->query_vars['learner_profile'])) {
 
-                Sensei_Templates::get_template( 'learner-profile/learner-info.php' );
+                Sensei_Templates::get_template('learner-profile/learner-info.php');
 
 			}
 		}
@@ -123,14 +123,14 @@ 
 	 * @param  object $user Queried user object
 	 * @return void
 	 */
-	public function learner_profile_courses_heading( $user ) {
-		if( strlen( $user->first_name ) > 0 ) {
+	public function learner_profile_courses_heading($user) {
+		if (strlen($user->first_name) > 0) {
 			$name = $user->first_name;
 		} else {
 			$name = $user->display_name;
 		}
-		$name = apply_filters( 'sensei_learner_profile_courses_heading_name', $name );
-		echo '<h2>' . apply_filters( 'sensei_learner_profile_courses_heading', sprintf( __( 'Courses %s is taking', 'woothemes-sensei' ), $name ) ) . '</h2>';
+		$name = apply_filters('sensei_learner_profile_courses_heading_name', $name);
+		echo '<h2>'.apply_filters('sensei_learner_profile_courses_heading', sprintf(__('Courses %s is taking', 'woothemes-sensei'), $name)).'</h2>';
 	}
 
 	/**
@@ -139,14 +139,14 @@ 
 	 * @param  object $user Queried user object
 	 * @return void
 	 */
-	public static function user_info( $user ) {
+	public static function user_info($user) {
 
         /**
          * This hooke fires inside the Sensei_Learner_Profiles::user_info function.
          * just before the htmls is generated.
          * @since 1.0.0
          */
-        do_action( 'sensei_learner_profile_info', $user );
+        do_action('sensei_learner_profile_info', $user);
 
         /**
          * This filter runs inside the Sensei_Learner_Profiles::user_info function.
@@ -156,7 +156,7 @@ 
          *
          * @param false|string `<img>` $user_avatar
          */
-		$learner_avatar = apply_filters( 'sensei_learner_profile_info_avatar', get_avatar( $user->ID, 120 ), $user->ID );
+		$learner_avatar = apply_filters('sensei_learner_profile_info_avatar', get_avatar($user->ID, 120), $user->ID);
 
         /**
          * This filter runs inside the Sensei_Learner_Profiles::user_info function.
@@ -166,7 +166,7 @@ 
          * @param string $user_display_name
          * @param string $user_id
          */
-		$learner_name = apply_filters( 'sensei_learner_profile_info_name', $user->display_name, $user->ID );
+		$learner_name = apply_filters('sensei_learner_profile_info_name', $user->display_name, $user->ID);
 
         /**
          * This filter runs inside the Sensei_Learner_Profiles::user_info function.
@@ -178,7 +178,7 @@ 
          * @param string $user_description
          * @param string $user_id
          */
-		$learner_bio = apply_filters( 'sensei_learner_profile_info_bio', $user->description, $user->ID );
+		$learner_bio = apply_filters('sensei_learner_profile_info_bio', $user->description, $user->ID);
 		?>
 
 		<div id="learner-info">
@@ -189,7 +189,7 @@ 
 
 				<h2><?php echo $learner_name; ?></h2>
 
-				<div class="description"><?php echo wpautop( $learner_bio ); ?></div>
+				<div class="description"><?php echo wpautop($learner_bio); ?></div>
 
 			</div>
 
@@ -203,9 +203,9 @@ 
 	 * @param  array $classes Existing classes
 	 * @return array          Modified classes
 	 */
-	public function learner_profile_body_class( $classes ) {
+	public function learner_profile_body_class($classes) {
 		global $wp_query;
-		if( isset( $wp_query->query_vars['learner_profile'] ) ) {
+		if (isset($wp_query->query_vars['learner_profile'])) {
 			$classes[] = 'learner-profile';
 		}
 		return $classes;
@@ -216,9 +216,9 @@ 
      *
      * @since 1.9.0
      */
-    public static function deprecate_sensei_learner_profile_content_hook(){
+    public static function deprecate_sensei_learner_profile_content_hook() {
 
-        sensei_do_deprecated_action( 'sensei_learner_profile_content', '1.9.0', 'sensei_learner_profile_content_before' );
+        sensei_do_deprecated_action('sensei_learner_profile_content', '1.9.0', 'sensei_learner_profile_content_before');
 
     }
 

includes/class-sensei-analysis-lesson-list-table.php

Indentation +2 added lines, -2 removed lines

@@ -234,9 +234,9 @@
 		}
 
 		// Output users data
-        $user_name = Sensei_Student::get_full_name( $item->user_id );
+		$user_name = Sensei_Student::get_full_name( $item->user_id );
 
-        if ( !$this->csv_output ) {
+		if ( !$this->csv_output ) {
 			$url = add_query_arg( array( 'page' => $this->page_slug, 'user_id' => $item->user_id, 'course_id' => $this->course_id ), admin_url( 'admin.php' ) );
 
 			$user_name = '<strong><a class="row-title" href="' . esc_url( $url ) . '">' . $user_name . '</a></strong>';

Spacing +95 added lines, -95 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Analysis Lesson List Table Class
@@ -22,18 +22,18 @@ 
 	 * @since  1.2.0
 	 * @return  void
 	 */
-	public function __construct ( $lesson_id = 0 ) {
-		$this->lesson_id = intval( $lesson_id );
-		$this->course_id = intval( get_post_meta( $this->lesson_id, '_lesson_course', true ) );
+	public function __construct($lesson_id = 0) {
+		$this->lesson_id = intval($lesson_id);
+		$this->course_id = intval(get_post_meta($this->lesson_id, '_lesson_course', true));
 
 		// Load Parent token into constructor
-		parent::__construct( 'analysis_lesson' );
+		parent::__construct('analysis_lesson');
 
 		// Actions
-		add_action( 'sensei_before_list_table', array( $this, 'data_table_header' ) );
-		add_action( 'sensei_after_list_table', array( $this, 'data_table_footer' ) );
+		add_action('sensei_before_list_table', array($this, 'data_table_header'));
+		add_action('sensei_after_list_table', array($this, 'data_table_footer'));
 
-		add_filter( 'sensei_list_table_search_button_text', array( $this, 'search_button' ) );
+		add_filter('sensei_list_table_search_button_text', array($this, 'search_button'));
 	} // End __construct()
 
 	/**
@@ -43,13 +43,13 @@ 
 	 */
 	function get_columns() {
 		$columns = array(
-			'title' => __( 'Learner', 'woothemes-sensei' ),
-			'started' => __( 'Date Started', 'woothemes-sensei' ),
-			'completed' => __( 'Date Completed', 'woothemes-sensei' ),
-			'status' => __( 'Status', 'woothemes-sensei' ),
-			'grade' => __( 'Grade', 'woothemes-sensei' ),
+			'title' => __('Learner', 'woothemes-sensei'),
+			'started' => __('Date Started', 'woothemes-sensei'),
+			'completed' => __('Date Completed', 'woothemes-sensei'),
+			'status' => __('Status', 'woothemes-sensei'),
+			'grade' => __('Grade', 'woothemes-sensei'),
 		);
-		$columns = apply_filters( 'sensei_analysis_lesson_columns', $columns, $this );
+		$columns = apply_filters('sensei_analysis_lesson_columns', $columns, $this);
 		return $columns;
 	}
 
@@ -60,13 +60,13 @@ 
 	 */
 	function get_sortable_columns() {
 		$columns = array(
-			'title' => array( 'title', false ),
-			'started' => array( 'started', false ),
-			'completed' => array( 'completed', false ),
-			'status' => array( 'status', false ),
-			'grade' => array( 'grade', false ),
+			'title' => array('title', false),
+			'started' => array('started', false),
+			'completed' => array('completed', false),
+			'status' => array('status', false),
+			'grade' => array('grade', false),
 		);
-		$columns = apply_filters( 'sensei_analysis_lesson_columns_sortable', $columns, $this );
+		$columns = apply_filters('sensei_analysis_lesson_columns_sortable', $columns, $this);
 		return $columns;
 	}
 
@@ -80,32 +80,32 @@ 
 
 		// Handle orderby (needs work)
 		$orderby = '';
-		if ( !empty( $_GET['orderby'] ) ) {
-			if ( array_key_exists( esc_html( $_GET['orderby'] ), $this->get_sortable_columns() ) ) {
-				$orderby = esc_html( $_GET['orderby'] );
+		if ( ! empty($_GET['orderby'])) {
+			if (array_key_exists(esc_html($_GET['orderby']), $this->get_sortable_columns())) {
+				$orderby = esc_html($_GET['orderby']);
 			} // End If Statement
 		}
 
 		// Handle order
 		$order = 'ASC';
-		if ( !empty( $_GET['order'] ) ) {
-			$order = ( 'ASC' == strtoupper($_GET['order']) ) ? 'ASC' : 'DESC';
+		if ( ! empty($_GET['order'])) {
+			$order = ('ASC' == strtoupper($_GET['order'])) ? 'ASC' : 'DESC';
 		}
 
 		// Handle search, need 4.1 version of WP to be able to restrict statuses to known post_ids
 		$search = false;
-		if ( !empty( $_GET['s'] ) ) {
-			$search = esc_html( $_GET['s'] );
+		if ( ! empty($_GET['s'])) {
+			$search = esc_html($_GET['s']);
 		} // End If Statement
 		$this->search = $search;
 
-		$per_page = $this->get_items_per_page( 'sensei_comments_per_page' );
-		$per_page = apply_filters( 'sensei_comments_per_page', $per_page, 'sensei_comments' );
+		$per_page = $this->get_items_per_page('sensei_comments_per_page');
+		$per_page = apply_filters('sensei_comments_per_page', $per_page, 'sensei_comments');
 
 		$paged = $this->get_pagenum();
 		$offset = 0;
-		if ( !empty($paged) ) {
-			$offset = $per_page * ( $paged - 1 );
+		if ( ! empty($paged)) {
+			$offset = $per_page * ($paged - 1);
 		} // End If Statement
 
 		$args = array(
@@ -114,19 +114,19 @@ 
 			'orderby' => $orderby,
 			'order' => $order,
 		);
-		if ( $this->search ) {
+		if ($this->search) {
 			$args['search'] = $this->search;
 		} // End If Statement
 
-		$this->items = $this->get_lesson_statuses( $args );
+		$this->items = $this->get_lesson_statuses($args);
 
 		$total_items = $this->total_items;
-		$total_pages = ceil( $total_items / $per_page );
-		$this->set_pagination_args( array(
+		$total_pages = ceil($total_items / $per_page);
+		$this->set_pagination_args(array(
 			'total_items' => $total_items,
 			'total_pages' => $total_pages,
 			'per_page' => $per_page
-		) );
+		));
 	}
 
 	/**
@@ -134,7 +134,7 @@ 
 	 * @since  1.7.0
 	 * @return data
 	 */
-	public function generate_report( $report ) {
+	public function generate_report($report) {
 
 		$data = array();
 
@@ -142,22 +142,22 @@ 
 
 		// Handle orderby
 		$orderby = '';
-		if ( !empty( $_GET['orderby'] ) ) {
-			if ( array_key_exists( esc_html( $_GET['orderby'] ), $this->get_sortable_columns() ) ) {
-				$orderby = esc_html( $_GET['orderby'] );
+		if ( ! empty($_GET['orderby'])) {
+			if (array_key_exists(esc_html($_GET['orderby']), $this->get_sortable_columns())) {
+				$orderby = esc_html($_GET['orderby']);
 			} // End If Statement
 		}
 
 		// Handle order
 		$order = 'ASC';
-		if ( !empty( $_GET['order'] ) ) {
-			$order = ( 'ASC' == strtoupper($_GET['order']) ) ? 'ASC' : 'DESC';
+		if ( ! empty($_GET['order'])) {
+			$order = ('ASC' == strtoupper($_GET['order'])) ? 'ASC' : 'DESC';
 		}
 
 		// Handle search
 		$search = false;
-		if ( !empty( $_GET['s'] ) ) {
-			$search = esc_html( $_GET['s'] );
+		if ( ! empty($_GET['s'])) {
+			$search = esc_html($_GET['s']);
 		} // End If Statement
 		$this->search = $search;
 
@@ -165,23 +165,23 @@ 
 			'orderby' => $orderby,
 			'order' => $order,
 		);
-		if ( $this->search ) {
+		if ($this->search) {
 			$args['search'] = $this->search;
 		} // End If Statement
 
 		// Start the csv with the column headings
 		$column_headers = array();
 		$columns = $this->get_columns();
-		foreach( $columns AS $key => $title ) {
+		foreach ($columns AS $key => $title) {
 			$column_headers[] = $title;
 		}
 		$data[] = $column_headers;
 
-		$this->items = $this->get_lesson_statuses( $args );
+		$this->items = $this->get_lesson_statuses($args);
 
 		// Process each row
-		foreach( $this->items AS $item) {
-			$data[] = $this->get_row_data( $item );
+		foreach ($this->items AS $item) {
+			$data[] = $this->get_row_data($item);
 		}
 
 		return $data;
@@ -193,64 +193,64 @@ 
 	 * @since  1.7.0
 	 * @param object $item The current item
 	 */
-	protected function get_row_data( $item ) {
+	protected function get_row_data($item) {
 
-		$user_start_date = get_comment_meta( $item->comment_ID, 'start', true );
+		$user_start_date = get_comment_meta($item->comment_ID, 'start', true);
 		$user_end_date = $item->comment_date;
 		$status_class = $grade = '';
 
-		if( 'complete' == $item->comment_approved ) {
-			$status =  __( 'Completed', 'woothemes-sensei' );
+		if ('complete' == $item->comment_approved) {
+			$status = __('Completed', 'woothemes-sensei');
 			$status_class = 'graded';
 
-			$grade =  __( 'No Grade', 'woothemes-sensei' );
+			$grade = __('No Grade', 'woothemes-sensei');
 		}
-		elseif( 'graded' == $item->comment_approved ) {
-			$status = __( 'Graded', 'woothemes-sensei' ) ;
+		elseif ('graded' == $item->comment_approved) {
+			$status = __('Graded', 'woothemes-sensei');
 			$status_class = 'graded';
 
-			$grade = get_comment_meta( $item->comment_ID, 'grade', true);
+			$grade = get_comment_meta($item->comment_ID, 'grade', true);
 		}
-		elseif( 'passed' == $item->comment_approved ) {
-			$status =  __( 'Passed', 'woothemes-sensei' );
+		elseif ('passed' == $item->comment_approved) {
+			$status = __('Passed', 'woothemes-sensei');
 			$status_class = 'graded';
 
-			$grade = get_comment_meta( $item->comment_ID, 'grade', true);
+			$grade = get_comment_meta($item->comment_ID, 'grade', true);
 		}
-		elseif( 'failed' == $item->comment_approved ) {
-			$status = __( 'Failed', 'woothemes-sensei' );
+		elseif ('failed' == $item->comment_approved) {
+			$status = __('Failed', 'woothemes-sensei');
 			$status_class = 'failed';
 
-			$grade = get_comment_meta( $item->comment_ID, 'grade', true);
+			$grade = get_comment_meta($item->comment_ID, 'grade', true);
 		}
-		elseif( 'ungraded' == $item->comment_approved ) {
-			$status =  __( 'Ungraded', 'woothemes-sensei' );
+		elseif ('ungraded' == $item->comment_approved) {
+			$status = __('Ungraded', 'woothemes-sensei');
 			$status_class = 'ungraded';
 
 		}
 		else {
-			$status =  __( 'In Progress', 'woothemes-sensei' );
+			$status = __('In Progress', 'woothemes-sensei');
 			$user_end_date = '';
 		}
 
 		// Output users data
-        $user_name = Sensei_Student::get_full_name( $item->user_id );
+        $user_name = Sensei_Student::get_full_name($item->user_id);
 
-        if ( !$this->csv_output ) {
-			$url = add_query_arg( array( 'page' => $this->page_slug, 'user_id' => $item->user_id, 'course_id' => $this->course_id ), admin_url( 'admin.php' ) );
+        if ( ! $this->csv_output) {
+			$url = add_query_arg(array('page' => $this->page_slug, 'user_id' => $item->user_id, 'course_id' => $this->course_id), admin_url('admin.php'));
 
-			$user_name = '<strong><a class="row-title" href="' . esc_url( $url ) . '">' . $user_name . '</a></strong>';
-			$status = sprintf( '<span class="%s">%s</span>', $item->comment_approved, $status );
-			if ( is_numeric($grade) ) {
+			$user_name = '<strong><a class="row-title" href="'.esc_url($url).'">'.$user_name.'</a></strong>';
+			$status = sprintf('<span class="%s">%s</span>', $item->comment_approved, $status);
+			if (is_numeric($grade)) {
 				$grade .= '%';
 			}
 		} // End If Statement
-		$column_data = apply_filters( 'sensei_analysis_lesson_column_data', array( 'title' => $user_name,
+		$column_data = apply_filters('sensei_analysis_lesson_column_data', array('title' => $user_name,
 										'started' => $user_start_date,
 										'completed' => $user_end_date,
 										'status' => $status,
 										'grade' => $grade,
-									), $item, $this );
+									), $item, $this);
 
 		return $column_data;
 	}
@@ -260,7 +260,7 @@ 
 	 * @since  1.7.0
 	 * @return array statuses
 	 */
-	private function get_lesson_statuses( $args ) {
+	private function get_lesson_statuses($args) {
 
 		$activity_args = array( 
 				'post_id' => $this->lesson_id,
@@ -273,34 +273,34 @@ 
 			);
 
 		// Searching users on statuses requires sub-selecting the statuses by user_ids
-		if ( $this->search ) {
+		if ($this->search) {
 			$user_args = array(
-				'search' => '*' . $this->search . '*',
+				'search' => '*'.$this->search.'*',
 				'fields' => 'ID',
 			);
 			// Filter for extending
-			$user_args = apply_filters( 'sensei_analysis_lesson_search_users', $user_args );
-			if ( !empty( $user_args ) ) {
-				$learners_search = new WP_User_Query( $user_args );
+			$user_args = apply_filters('sensei_analysis_lesson_search_users', $user_args);
+			if ( ! empty($user_args)) {
+				$learners_search = new WP_User_Query($user_args);
 				// Store for reuse on counts
 				$activity_args['user_id'] = (array) $learners_search->get_results();
 			}
 		} // End If Statement
 
-		$activity_args = apply_filters( 'sensei_analysis_lesson_filter_statuses', $activity_args );
+		$activity_args = apply_filters('sensei_analysis_lesson_filter_statuses', $activity_args);
 
 		// WP_Comment_Query doesn't support SQL_CALC_FOUND_ROWS, so instead do this twice
-		$this->total_items = Sensei_Utils::sensei_check_for_activity( array_merge( $activity_args, array('count' => true, 'offset' => 0, 'number' => 0) ) );
+		$this->total_items = Sensei_Utils::sensei_check_for_activity(array_merge($activity_args, array('count' => true, 'offset' => 0, 'number' => 0)));
 
 		// Ensure we change our range to fit (in case a search threw off the pagination) - Should this be added to all views?
-		if ( $this->total_items < $activity_args['offset'] ) {
-			$new_paged = floor( $total_statuses / $activity_args['number'] );
+		if ($this->total_items < $activity_args['offset']) {
+			$new_paged = floor($total_statuses / $activity_args['number']);
 			$activity_args['offset'] = $new_paged * $activity_args['number'];
 		}
-		$statuses = Sensei_Utils::sensei_check_for_activity( $activity_args, true );
+		$statuses = Sensei_Utils::sensei_check_for_activity($activity_args, true);
 		// Need to always return an array, even with only 1 item
-		if ( !is_array($statuses) ) {
-			$statuses = array( $statuses );
+		if ( ! is_array($statuses)) {
+			$statuses = array($statuses);
 		}
 		return $statuses;
 	} // End get_lesson_statuses()
@@ -312,7 +312,7 @@ 
 	 * @return void
 	 */
 	public function no_items() {
-		 _e( 'No learners found.', 'woothemes-sensei' );
+		 _e('No learners found.', 'woothemes-sensei');
 	} // End no_items()
 
 	/**
@@ -321,7 +321,7 @@ 
 	 * @return void
 	 */
 	public function data_table_header() {
-		echo '<strong>' . __( 'Learners taking this Lesson', 'woothemes-sensei' ) . '</strong>';
+		echo '<strong>'.__('Learners taking this Lesson', 'woothemes-sensei').'</strong>';
 	} // End data_table_header()
 
 	/**
@@ -330,10 +330,10 @@ 
 	 * @return void
 	 */
 	public function data_table_footer() {
-		$lesson = get_post( $this->lesson_id );
-		$report = sanitize_title( $lesson->post_title ) . '-learners-overview';
-		$url = add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $this->lesson_id, 'sensei_report_download' => $report ), admin_url( 'admin.php' ) );
-		echo '<a class="button button-primary" href="' . esc_url( wp_nonce_url( $url, 'sensei_csv_download-' . $report, '_sdl_nonce' ) ) . '">' . __( 'Export all rows (CSV)', 'woothemes-sensei' ) . '</a>';
+		$lesson = get_post($this->lesson_id);
+		$report = sanitize_title($lesson->post_title).'-learners-overview';
+		$url = add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $this->lesson_id, 'sensei_report_download' => $report), admin_url('admin.php'));
+		echo '<a class="button button-primary" href="'.esc_url(wp_nonce_url($url, 'sensei_csv_download-'.$report, '_sdl_nonce')).'">'.__('Export all rows (CSV)', 'woothemes-sensei').'</a>';
 	} // End data_table_footer()
 
 	/**
@@ -341,8 +341,8 @@ 
 	 * @since  1.7.0
 	 * @return void
 	 */
-	public function search_button( $text = '' ) {
-		return __( 'Search Learners', 'woothemes-sensei' );;
+	public function search_button($text = '') {
+		return __('Search Learners', 'woothemes-sensei'); ;
 	}
 } // End Class
 

includes/class-sensei-question.php

Indentation +567 added lines, -567 removed lines

@@ -21,7 +21,7 @@ 
 	 * @since  1.0.0
 	 */
 	public function __construct () {
-        $this->token = 'question';
+		$this->token = 'question';
 		$this->question_types = $this->question_types();
 		$this->meta_fields = array( 'question_right_answer', 'question_wrong_answers' );
 		if ( is_admin() ) {
@@ -118,7 +118,7 @@ 
 
 			if( isset( $post->ID ) ) {
 
-                $question_type = Sensei()->question->get_question_type( $post->ID );
+				$question_type = Sensei()->question->get_question_type( $post->ID );
 
 				if( $question_type ) {
 					$type = $this->question_types[ $question_type ];
@@ -238,15 +238,15 @@ 
 	public function save_question( $post_id = 0 ) {
 
 		if( ! isset( $_POST['post_type']
-            ) || 'question' != $_POST['post_type'] ) {
-            return;
-        }
+			) || 'question' != $_POST['post_type'] ) {
+			return;
+		}
 
 
 
-        //setup the data for saving
+		//setup the data for saving
 		$data = $_POST ;
-        $data['quiz_id'] = 0;
+		$data['quiz_id'] = 0;
 		$data['question_id'] = $post_id;
 
 		if ( ! wp_is_post_revision( $post_id ) ){
@@ -340,34 +340,34 @@ 
 		return $request;
 	}
 
-    /**
-     * Get the type of question by id
-     *
-     * This function uses the post terms to determine which question type
-     * the passed question id belongs to.
-     *
-     * @since 1.7.4
-     *
-     * @param int $question_id
-     *
-     * @return string $question_type | bool
-     */
-    public function get_question_type( $question_id ){
-
-        if( empty( $question_id ) || ! intval( $question_id ) > 0
-            || 'question' != get_post_type( $question_id )   ){
-            return false;
-        }
-
-        $question_type = 'multiple-choice';
-        $question_types = wp_get_post_terms( $question_id, 'question-type' );
-        foreach( $question_types as $type ) {
-            $question_type = $type->slug;
-        }
-
-        return $question_type;
-
-    }// end get_question_type
+	/**
+	 * Get the type of question by id
+	 *
+	 * This function uses the post terms to determine which question type
+	 * the passed question id belongs to.
+	 *
+	 * @since 1.7.4
+	 *
+	 * @param int $question_id
+	 *
+	 * @return string $question_type | bool
+	 */
+	public function get_question_type( $question_id ){
+
+		if( empty( $question_id ) || ! intval( $question_id ) > 0
+			|| 'question' != get_post_type( $question_id )   ){
+			return false;
+		}
+
+		$question_type = 'multiple-choice';
+		$question_types = wp_get_post_terms( $question_id, 'question-type' );
+		foreach( $question_types as $type ) {
+			$question_type = $type->slug;
+		}
+
+		return $question_type;
+
+	}// end get_question_type
 
 	/**
 	 * Given a question ID, return the grade that can be achieved.
@@ -399,317 +399,317 @@ 
 	} // end get_question_grade
 
 
-    /**
-     * This function simply loads the question type template
-     *
-     * @since 1.9.0
-     * @param $question_type
-     */
-    public static function load_question_template( $question_type ){
-
-        Sensei_Templates::get_template  ( 'single-quiz/question_type-' . $question_type . '.php' );
-    }
-
-    /**
-     * Echo the sensei question title.
-     *
-     * @uses WooThemes_Sensei_Question::get_the_question_title
-     *
-     * @since 1.9.0
-     * @param $question_id
-     */
-    public static function the_question_title( $question_id ){
-
-        echo self::get_the_question_title( $question_id );
-
-    }// end the_question_title
-
-    /**
-     * Generate the question title with it's grade.
-     *
-     * @since 1.9.0
-     *
-     * @param $question_id
-     * @return string
-     */
-    public static function get_the_question_title( $question_id ){
-
-        /**
-         * Filter the sensei question title
-         *
-         * @since 1.3.0
-         * @param $question_title
-         */
-        $title = apply_filters( 'sensei_question_title', get_the_title( $question_id ) );
-
-        /**
-         * hook document in class-woothemes-sensei-message.php the_title()
-         */
-        $title = apply_filters( 'sensei_single_title', $title, 'question');
-
-        $title_html  = '<span class="question question-title">';
-        $title_html .= $title;
-        $title_html .= '<span class="grade"><?php sensi_the_question_grade()?></span>';
-        $title_html .='</span>';
-
-        return $title_html;
-    }
-
-    /**
-     * Tech the question description
-     *
-     * @param $question_id
-     * @return string
-     */
-    public static function get_the_question_description( $question_id ){
-
-        $question = get_post( $question_id );
-
-        /**
-         * Already documented within WordPress Core
-         */
-        return apply_filters( 'the_content', $question->post_content );
-
-    }
-
-    /**
-     * Output the question description
-     *
-     * @since 1.9.0
-     * @param $question_id
-     */
-    public static function the_question_description( $question_id  ){
-
-        echo self::get_the_question_description( $question_id );
-
-    }
-
-    /**
-     * Get the questions media markup
-     *
-     * @since 1.9.0
-     * @param $question_id
-     * @return string
-     */
-    public static function get_the_question_media( $question_id ){
-
-        $question_media = get_post_meta( $question_id, '_question_media', true );
-        $question_media_link = '';
-        if( 0 < intval( $question_media ) ) {
-            $mimetype = get_post_mime_type( $question_media );
-            if( $mimetype ) {
-                $mimetype_array = explode( '/', $mimetype);
-                if( isset( $mimetype_array[0] ) && $mimetype_array[0] ) {
-                    $question_media_type = $mimetype_array[0];
-                    $question_media_url = wp_get_attachment_url( $question_media );
-                    $attachment = get_post( $question_media );
-                    $question_media_title = $attachment->post_title;
-                    $question_media_description = $attachment->post_content;
-                    switch( $question_media_type ) {
-                        case 'image':
-                            $image_size = apply_filters( 'sensei_question_image_size', 'medium', $question_id );
-                            $attachment_src = wp_get_attachment_image_src( $question_media, $image_size );
-                            $question_media_link = '<a class="' . esc_attr( $question_media_type ) . '" title="' . esc_attr( $question_media_title ) . '" href="' . esc_url( $question_media_url ) . '" target="_blank"><img src="' . $attachment_src[0] . '" width="' . $attachment_src[1] . '" height="' . $attachment_src[2] . '" /></a>';
-                            break;
-
-                        case 'audio':
-                            $question_media_link = wp_audio_shortcode( array( 'src' => $question_media_url ) );
-                            break;
-
-                        case 'video':
-                            $question_media_link = wp_video_shortcode( array( 'src' => $question_media_url ) );
-                            break;
-
-                        default:
-                            $question_media_filename = basename( $question_media_url );
-                            $question_media_link = '<a class="' . esc_attr( $question_media_type ) . '" title="' . esc_attr( $question_media_title ) . '" href="' . esc_url( $question_media_url ) . '" target="_blank">' . $question_media_filename . '</a>';
-                            break;
-                    }
-                }
-            }
-        }
-
-        $output = '';
-        if( $question_media_link ) {
-
-                $output .= '<div class="question_media_display">';
-                $output .=      $question_media_link;
-                $output .= '<dl>';
-
-                if( $question_media_title ) {
-
-                   $output .= '<dt>'. $question_media_title. '</dt>';
-
-                 }
-
-                if( $question_media_description ) {
-
-                    $output .= '<dd>' . $question_media_description . '</dd>';
-
-                }
-
-                $output .= '</dl>';
-                $output .= '</div>';
+	/**
+	 * This function simply loads the question type template
+	 *
+	 * @since 1.9.0
+	 * @param $question_type
+	 */
+	public static function load_question_template( $question_type ){
+
+		Sensei_Templates::get_template  ( 'single-quiz/question_type-' . $question_type . '.php' );
+	}
+
+	/**
+	 * Echo the sensei question title.
+	 *
+	 * @uses WooThemes_Sensei_Question::get_the_question_title
+	 *
+	 * @since 1.9.0
+	 * @param $question_id
+	 */
+	public static function the_question_title( $question_id ){
+
+		echo self::get_the_question_title( $question_id );
+
+	}// end the_question_title
+
+	/**
+	 * Generate the question title with it's grade.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $question_id
+	 * @return string
+	 */
+	public static function get_the_question_title( $question_id ){
+
+		/**
+		 * Filter the sensei question title
+		 *
+		 * @since 1.3.0
+		 * @param $question_title
+		 */
+		$title = apply_filters( 'sensei_question_title', get_the_title( $question_id ) );
+
+		/**
+		 * hook document in class-woothemes-sensei-message.php the_title()
+		 */
+		$title = apply_filters( 'sensei_single_title', $title, 'question');
+
+		$title_html  = '<span class="question question-title">';
+		$title_html .= $title;
+		$title_html .= '<span class="grade"><?php sensi_the_question_grade()?></span>';
+		$title_html .='</span>';
+
+		return $title_html;
+	}
+
+	/**
+	 * Tech the question description
+	 *
+	 * @param $question_id
+	 * @return string
+	 */
+	public static function get_the_question_description( $question_id ){
+
+		$question = get_post( $question_id );
+
+		/**
+		 * Already documented within WordPress Core
+		 */
+		return apply_filters( 'the_content', $question->post_content );
+
+	}
+
+	/**
+	 * Output the question description
+	 *
+	 * @since 1.9.0
+	 * @param $question_id
+	 */
+	public static function the_question_description( $question_id  ){
+
+		echo self::get_the_question_description( $question_id );
+
+	}
+
+	/**
+	 * Get the questions media markup
+	 *
+	 * @since 1.9.0
+	 * @param $question_id
+	 * @return string
+	 */
+	public static function get_the_question_media( $question_id ){
+
+		$question_media = get_post_meta( $question_id, '_question_media', true );
+		$question_media_link = '';
+		if( 0 < intval( $question_media ) ) {
+			$mimetype = get_post_mime_type( $question_media );
+			if( $mimetype ) {
+				$mimetype_array = explode( '/', $mimetype);
+				if( isset( $mimetype_array[0] ) && $mimetype_array[0] ) {
+					$question_media_type = $mimetype_array[0];
+					$question_media_url = wp_get_attachment_url( $question_media );
+					$attachment = get_post( $question_media );
+					$question_media_title = $attachment->post_title;
+					$question_media_description = $attachment->post_content;
+					switch( $question_media_type ) {
+						case 'image':
+							$image_size = apply_filters( 'sensei_question_image_size', 'medium', $question_id );
+							$attachment_src = wp_get_attachment_image_src( $question_media, $image_size );
+							$question_media_link = '<a class="' . esc_attr( $question_media_type ) . '" title="' . esc_attr( $question_media_title ) . '" href="' . esc_url( $question_media_url ) . '" target="_blank"><img src="' . $attachment_src[0] . '" width="' . $attachment_src[1] . '" height="' . $attachment_src[2] . '" /></a>';
+							break;
+
+						case 'audio':
+							$question_media_link = wp_audio_shortcode( array( 'src' => $question_media_url ) );
+							break;
+
+						case 'video':
+							$question_media_link = wp_video_shortcode( array( 'src' => $question_media_url ) );
+							break;
+
+						default:
+							$question_media_filename = basename( $question_media_url );
+							$question_media_link = '<a class="' . esc_attr( $question_media_type ) . '" title="' . esc_attr( $question_media_title ) . '" href="' . esc_url( $question_media_url ) . '" target="_blank">' . $question_media_filename . '</a>';
+							break;
+					}
+				}
+			}
+		}
+
+		$output = '';
+		if( $question_media_link ) {
 
+				$output .= '<div class="question_media_display">';
+				$output .=      $question_media_link;
+				$output .= '<dl>';
 
-         }
-
-        return $output;
-
-    } // end get_the_question_media
-
+				if( $question_media_title ) {
 
-    /**
-     * Output the question media
-     *
-     * @since 1.9.0
-     * @param string $question_id
-     */
-    public static function the_question_media( $question_id ){
+				   $output .= '<dt>'. $question_media_title. '</dt>';
 
-        echo self::get_the_question_media( $question_id );
+				 }
 
-    }
+				if( $question_media_description ) {
 
-    /**
-     * Output a special field for the question needed for question submission.
-     *
-     * @since 1.9.0
-     *
-     * @param $question_id
-     */
-    public static function the_question_hidden_fields( $question_id ){
-        ?>
+					$output .= '<dd>' . $question_media_description . '</dd>';
+
+				}
+
+				$output .= '</dl>';
+				$output .= '</div>';
+
+
+		 }
+
+		return $output;
+
+	} // end get_the_question_media
+
+
+	/**
+	 * Output the question media
+	 *
+	 * @since 1.9.0
+	 * @param string $question_id
+	 */
+	public static function the_question_media( $question_id ){
+
+		echo self::get_the_question_media( $question_id );
+
+	}
+
+	/**
+	 * Output a special field for the question needed for question submission.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $question_id
+	 */
+	public static function the_question_hidden_fields( $question_id ){
+		?>
 
             <input type="hidden" name="question_id_<?php $question_id;?>" value="<?php $question_id;?>" />
             <input type="hidden" name="questions_asked[]" value="<?php esc_attr_e( $question_id ); ?>" />
 
         <?php
-    }
+	}
 
-    /**
-     * This function can only be run withing the single quiz question loop
-     *
-     * @since 1.9.0
-     * @param $question_id
-     */
-    public static function answer_feedback_notes( $question_id ){
+	/**
+	 * This function can only be run withing the single quiz question loop
+	 *
+	 * @since 1.9.0
+	 * @param $question_id
+	 */
+	public static function answer_feedback_notes( $question_id ){
 
-        //IDS
-        $quiz_id = get_the_ID();
-        $lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id );
+		//IDS
+		$quiz_id = get_the_ID();
+		$lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id );
 
-        // Data to check before showing feedback
-        $user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, get_current_user_id() );
-        $user_quiz_grade = Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
-        $not_empty_user_quiz_grade = !empty( $user_quiz_grade );
-        $reset_quiz_allowed = Sensei_Quiz::is_reset_allowed( $lesson_id );
-        $lesson_completed = Sensei_Utils::user_completed_lesson( $lesson_id );
-        $quiz_grade_type = get_post_meta( $quiz_id , '_quiz_grade_type', true );
+		// Data to check before showing feedback
+		$user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, get_current_user_id() );
+		$user_quiz_grade = Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
+		$not_empty_user_quiz_grade = !empty( $user_quiz_grade );
+		$reset_quiz_allowed = Sensei_Quiz::is_reset_allowed( $lesson_id );
+		$lesson_completed = Sensei_Utils::user_completed_lesson( $lesson_id );
+		$quiz_grade_type = get_post_meta( $quiz_id , '_quiz_grade_type', true );
 
-        if( ( $lesson_completed  && $not_empty_user_quiz_grade  )
-            ||  ( $lesson_completed && ! $reset_quiz_allowed && 'auto' == $quiz_grade_type )
-            || ( 'auto' == $quiz_grade_type && ! $reset_quiz_allowed && $not_empty_user_quiz_grade ) ) {
+		if( ( $lesson_completed  && $not_empty_user_quiz_grade  )
+			||  ( $lesson_completed && ! $reset_quiz_allowed && 'auto' == $quiz_grade_type )
+			|| ( 'auto' == $quiz_grade_type && ! $reset_quiz_allowed && $not_empty_user_quiz_grade ) ) {
 
-            $answer_notes = Sensei()->quiz->get_user_question_feedback( $lesson_id, $question_id, get_current_user_id() );
+			$answer_notes = Sensei()->quiz->get_user_question_feedback( $lesson_id, $question_id, get_current_user_id() );
 
-            if( $answer_notes ) { ?>
+			if( $answer_notes ) { ?>
 
                 <div class="sensei-message info info-special answer-feedback">
 
                     <?php
 
-                        /**
-                         * Filter the answer feedback
-                         * Since 1.9.0
-                         *
-                         * @param string $answer_notes
-                         * @param string $question_id
-                         * @param string $lesson_id
-                         */
-                        echo apply_filters( 'sensei_question_answer_notes', $answer_notes, $question_id, $lesson_id );
+						/**
+						 * Filter the answer feedback
+						 * Since 1.9.0
+						 *
+						 * @param string $answer_notes
+						 * @param string $question_id
+						 * @param string $lesson_id
+						 */
+						echo apply_filters( 'sensei_question_answer_notes', $answer_notes, $question_id, $lesson_id );
 
-                    ?>
+					?>
 
                 </div>
 
             <?php }
 
-        }// end if we can show answer feedback
+		}// end if we can show answer feedback
 
-    }// end answer_feedback_notes
+	}// end answer_feedback_notes
 
-    /**
-     * This function has to be run inside the quiz question loop on the single quiz page.
-     *
-     *
-     * @since 1.9.0
-     * @param string $question_id
-     */
-    public static function the_answer_result_indication( $question_id ){
+	/**
+	 * This function has to be run inside the quiz question loop on the single quiz page.
+	 *
+	 *
+	 * @since 1.9.0
+	 * @param string $question_id
+	 */
+	public static function the_answer_result_indication( $question_id ){
 
-        global $post,  $current_user, $sensei_question_loop;
+		global $post,  $current_user, $sensei_question_loop;
 
-        // Post Data
-        $quiz_id = $sensei_question_loop['quiz_id'];
-        $lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id );
-        $question_item = $sensei_question_loop['current_question'];
+		// Post Data
+		$quiz_id = $sensei_question_loop['quiz_id'];
+		$lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id );
+		$question_item = $sensei_question_loop['current_question'];
 
-        // Setup variable needed to determine if the message should show and what it should show
-        $user_quiz_grade = Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
-        $lesson_complete = Sensei_Utils::user_completed_lesson( $lesson_id, get_current_user_id() );
-        $reset_quiz_allowed = Sensei_Quiz::is_reset_allowed( $lesson_id );
-        $quiz_grade_type = get_post_meta( $quiz_id, '_quiz_grade_type', true );
+		// Setup variable needed to determine if the message should show and what it should show
+		$user_quiz_grade = Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
+		$lesson_complete = Sensei_Utils::user_completed_lesson( $lesson_id, get_current_user_id() );
+		$reset_quiz_allowed = Sensei_Quiz::is_reset_allowed( $lesson_id );
+		$quiz_grade_type = get_post_meta( $quiz_id, '_quiz_grade_type', true );
 
-        // retrieve the question total grade
-        $question_grade = Sensei()->question->get_question_grade( $question_id );
+		// retrieve the question total grade
+		$question_grade = Sensei()->question->get_question_grade( $question_id );
 
-        // retrieve grade the user achieved
-        $user_question_grade = Sensei()->quiz->get_user_question_grade( $lesson_id, $question_id, get_current_user_id() );
+		// retrieve grade the user achieved
+		$user_question_grade = Sensei()->quiz->get_user_question_grade( $lesson_id, $question_id, get_current_user_id() );
 
-        // Question ID
-        $question_id = $question_item->ID;
+		// Question ID
+		$question_id = $question_item->ID;
 
-        // conditions to check
-        $completed_with_valid_grade = $lesson_complete && $user_quiz_grade != '' ;
-        $completed_with_valid_grade_and_reset_not_allowed = $lesson_complete &&  $user_quiz_grade != '' && ! $reset_quiz_allowed ;
-        $grade_type_auto_a_valid_grade_and_reset_not_allowed =  'auto' == $quiz_grade_type && ! $reset_quiz_allowed && $user_quiz_grade != '' ;
+		// conditions to check
+		$completed_with_valid_grade = $lesson_complete && $user_quiz_grade != '' ;
+		$completed_with_valid_grade_and_reset_not_allowed = $lesson_complete &&  $user_quiz_grade != '' && ! $reset_quiz_allowed ;
+		$grade_type_auto_a_valid_grade_and_reset_not_allowed =  'auto' == $quiz_grade_type && ! $reset_quiz_allowed && $user_quiz_grade != '' ;
 
-        if (  $completed_with_valid_grade
-            || $completed_with_valid_grade_and_reset_not_allowed
-            || $grade_type_auto_a_valid_grade_and_reset_not_allowed  ) {
+		if (  $completed_with_valid_grade
+			|| $completed_with_valid_grade_and_reset_not_allowed
+			|| $grade_type_auto_a_valid_grade_and_reset_not_allowed  ) {
 
-            $user_correct = false;
-            $answer_message = __( 'Incorrect', 'woothemes-sensei' );
-            $answer_message_class = 'user_wrong';
-            // For zero grade mark as 'correct' but add no classes
-            if ( 0 == $question_grade ) {
+			$user_correct = false;
+			$answer_message = __( 'Incorrect', 'woothemes-sensei' );
+			$answer_message_class = 'user_wrong';
+			// For zero grade mark as 'correct' but add no classes
+			if ( 0 == $question_grade ) {
 
-                $user_correct = true;
-                $answer_message = '';
-                $answer_message_class = '';
+				$user_correct = true;
+				$answer_message = '';
+				$answer_message_class = '';
 
-            } else if( $user_question_grade > 0 ) {
+			} else if( $user_question_grade > 0 ) {
 
-                $user_correct = true;
-                $answer_message = sprintf( __( 'Grade: %d', 'woothemes-sensei' ), $user_question_grade );
-                $answer_message_class = 'user_right';
+				$user_correct = true;
+				$answer_message = sprintf( __( 'Grade: %d', 'woothemes-sensei' ), $user_question_grade );
+				$answer_message_class = 'user_right';
 
-            }
+			}
 
-            // attach the correct answer if the question is auto gradable and user got it wrong
-            if( !$reset_quiz_allowed && !$user_correct ){
+			// attach the correct answer if the question is auto gradable and user got it wrong
+			if( !$reset_quiz_allowed && !$user_correct ){
 
-                $answer_message .=  ' - '. __('Right Answer:','woothemes-sensei') . ' ' . self::get_correct_answer( $question_item->ID );
+				$answer_message .=  ' - '. __('Right Answer:','woothemes-sensei') . ' ' . self::get_correct_answer( $question_item->ID );
 
-            }
+			}
 
-            // answer feedback
-            $answer_notes = Sensei()->quiz->get_user_question_feedback( $lesson_id, $question_id, $current_user->ID );
-            if( $answer_notes ) {
-                $answer_message_class .= ' has_notes';
-            }
-            ?>
+			// answer feedback
+			$answer_notes = Sensei()->quiz->get_user_question_feedback( $lesson_id, $question_id, $current_user->ID );
+			if( $answer_notes ) {
+				$answer_message_class .= ' has_notes';
+			}
+			?>
 
             <div class="answer_message <?php esc_attr_e( $answer_message_class ); ?>">
 
@@ -719,387 +719,387 @@ 
 
             <?php
 
-        } // end if user can see all the goodies
-
-    }// end the_answer_result_indication
-
-    /**
-     * Generate the question template data and return it as an array.
-     *
-     * @since 1.9.0
-     *
-     * @param string $question_id
-     * @param $quiz_id
-     * @return array $question_data
-     */
-    public static function get_template_data( $question_id, $quiz_id ){
-
-        $lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id  );
-
-        $reset_allowed = get_post_meta( $quiz_id, '_enable_quiz_reset', true );
-        //backwards compatibility
-        if( 'on' == $reset_allowed ) {
-            $reset_allowed = 1;
-        }
-
-        // Check again that the lesson is complete
-        $user_lesson_end = Sensei_Utils::user_completed_lesson( Sensei()->quiz->get_lesson_id( $quiz_id), get_current_user_id() );
-        $user_lesson_complete = false;
-        if ( $user_lesson_end ) {
-            $user_lesson_complete = true;
-        }
-
-        //setup the question data
-        $data[ 'ID' ]                     = $question_id;
-        $data[ 'title' ]                  = get_the_title( $question_id );
-        $data[ 'content' ]                = get_post( $question_id )->post_content;
-        $data[ 'quiz_id' ]                = $quiz_id;
-        $data[ 'lesson_id' ]              = Sensei()->quiz->get_lesson_id( $quiz_id );
-        $data[ 'type' ]                   = Sensei()->question->get_question_type( $question_id );
-        $data[ 'question_grade' ]         = Sensei()->question->get_question_grade(  $question_id  );
-        $data[ 'user_question_grade' ]    = Sensei()->quiz->get_user_question_grade( $lesson_id,  $question_id , get_current_user_id());
-        $data[ 'question_right_answer' ]  = get_post_meta( $question_id , '_question_right_answer', true );
-        $data[ 'question_wrong_answers' ] = get_post_meta( $question_id , '_question_wrong_answers', true );
-        $data[ 'user_answer_entry' ]      = Sensei()->quiz->get_user_question_answer( $lesson_id,  $question_id , get_current_user_id() );
-        $data[ 'lesson_completed' ]       = Sensei_Utils::user_completed_course( $lesson_id, get_current_user_id( ) );
-        $data[ 'quiz_grade_type' ]        = get_post_meta( $quiz_id , '_quiz_grade_type', true );
-        $data[ 'reset_quiz_allowed' ]     = $reset_allowed;
-        $data[ 'lesson_complete' ]        = $user_lesson_complete;
-
-        /**
-         * Filter the question template data. This filter fires  in
-         * the get_template_data function
-         *
-         * @hooked self::boolean_load_question_data
-         *
-         * @since 1.9.0
-         *
-         * @param array $data
-         * @param string $question_id
-         * @param string $quiz_id
-         */
-        return apply_filters( 'sensei_get_question_template_data', $data, $question_id, $quiz_id );
+		} // end if user can see all the goodies
 
-    }
+	}// end the_answer_result_indication
 
-    /**
-     * Load multiple choice question data on the sensei_get_question_template_data
-     * filter.
-     *
-     * @since 1.9.0
-     *
-     * @param $question_data
-     * @param $question_id
-     * @param $quiz_id
-     *
-     * @return array()
-     */
-    public static function file_upload_load_question_data ( $question_data, $question_id, $quiz_id ){
+	/**
+	 * Generate the question template data and return it as an array.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param string $question_id
+	 * @param $quiz_id
+	 * @return array $question_data
+	 */
+	public static function get_template_data( $question_id, $quiz_id ){
 
+		$lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id  );
 
-        if( 'file-upload' == Sensei()->question->get_question_type( $question_id ) ) {
+		$reset_allowed = get_post_meta( $quiz_id, '_enable_quiz_reset', true );
+		//backwards compatibility
+		if( 'on' == $reset_allowed ) {
+			$reset_allowed = 1;
+		}
 
-            // Get uploaded file
-            $attachment_id = $question_data[ 'user_answer_entry' ];
-            $answer_media_url = $answer_media_filename = '';
+		// Check again that the lesson is complete
+		$user_lesson_end = Sensei_Utils::user_completed_lesson( Sensei()->quiz->get_lesson_id( $quiz_id), get_current_user_id() );
+		$user_lesson_complete = false;
+		if ( $user_lesson_end ) {
+			$user_lesson_complete = true;
+		}
 
+		//setup the question data
+		$data[ 'ID' ]                     = $question_id;
+		$data[ 'title' ]                  = get_the_title( $question_id );
+		$data[ 'content' ]                = get_post( $question_id )->post_content;
+		$data[ 'quiz_id' ]                = $quiz_id;
+		$data[ 'lesson_id' ]              = Sensei()->quiz->get_lesson_id( $quiz_id );
+		$data[ 'type' ]                   = Sensei()->question->get_question_type( $question_id );
+		$data[ 'question_grade' ]         = Sensei()->question->get_question_grade(  $question_id  );
+		$data[ 'user_question_grade' ]    = Sensei()->quiz->get_user_question_grade( $lesson_id,  $question_id , get_current_user_id());
+		$data[ 'question_right_answer' ]  = get_post_meta( $question_id , '_question_right_answer', true );
+		$data[ 'question_wrong_answers' ] = get_post_meta( $question_id , '_question_wrong_answers', true );
+		$data[ 'user_answer_entry' ]      = Sensei()->quiz->get_user_question_answer( $lesson_id,  $question_id , get_current_user_id() );
+		$data[ 'lesson_completed' ]       = Sensei_Utils::user_completed_course( $lesson_id, get_current_user_id( ) );
+		$data[ 'quiz_grade_type' ]        = get_post_meta( $quiz_id , '_quiz_grade_type', true );
+		$data[ 'reset_quiz_allowed' ]     = $reset_allowed;
+		$data[ 'lesson_complete' ]        = $user_lesson_complete;
+
+		/**
+		 * Filter the question template data. This filter fires  in
+		 * the get_template_data function
+		 *
+		 * @hooked self::boolean_load_question_data
+		 *
+		 * @since 1.9.0
+		 *
+		 * @param array $data
+		 * @param string $question_id
+		 * @param string $quiz_id
+		 */
+		return apply_filters( 'sensei_get_question_template_data', $data, $question_id, $quiz_id );
 
-            $question_helptext = '';
-            if( isset( $question_data['question_wrong_answers'][0] ) ) {
+	}
 
-                $question_helptext =  $question_data['question_wrong_answers'][0];
+	/**
+	 * Load multiple choice question data on the sensei_get_question_template_data
+	 * filter.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $question_data
+	 * @param $question_id
+	 * @param $quiz_id
+	 *
+	 * @return array()
+	 */
+	public static function file_upload_load_question_data ( $question_data, $question_id, $quiz_id ){
 
-            }
 
+		if( 'file-upload' == Sensei()->question->get_question_type( $question_id ) ) {
 
-            if( 0 < intval( $attachment_id ) ) {
+			// Get uploaded file
+			$attachment_id = $question_data[ 'user_answer_entry' ];
+			$answer_media_url = $answer_media_filename = '';
 
-                $answer_media_url = wp_get_attachment_url( $attachment_id );
-                $answer_media_filename = basename( $answer_media_url );
 
-            }
+			$question_helptext = '';
+			if( isset( $question_data['question_wrong_answers'][0] ) ) {
 
+				$question_helptext =  $question_data['question_wrong_answers'][0];
 
-            // Get max upload file size, formatted for display
-            // Code copied from wp-admin/includes/media.php:1515
-            $upload_size_unit = $max_upload_size = wp_max_upload_size();
-            $sizes = array( 'KB', 'MB', 'GB' );
-            for ( $u = -1; $upload_size_unit > 1024 && $u < count( $sizes ) - 1; $u++ ) {
-                $upload_size_unit /= 1024;
-            }
-            if ( $u < 0 ) {
+			}
 
-                $upload_size_unit = 0;
-                $u = 0;
 
-            } else {
+			if( 0 < intval( $attachment_id ) ) {
 
-                $upload_size_unit = (int) $upload_size_unit;
+				$answer_media_url = wp_get_attachment_url( $attachment_id );
+				$answer_media_filename = basename( $answer_media_url );
 
-            }
-            $max_upload_size = sprintf( __( 'Maximum upload file size: %d%s' ), esc_html( $upload_size_unit ), esc_html( $sizes[ $u ] ) );
+			}
 
-            // Assemble all the data needed by the file upload template
-            $question_data[ 'answer_media_url' ]      = $answer_media_url;
-            $question_data[ 'answer_media_filename' ] = $answer_media_filename;
-            $question_data[ 'max_upload_size' ]       = $max_upload_size;
 
-            $question_data[ 'question_helptext' ]     = $question_helptext;
+			// Get max upload file size, formatted for display
+			// Code copied from wp-admin/includes/media.php:1515
+			$upload_size_unit = $max_upload_size = wp_max_upload_size();
+			$sizes = array( 'KB', 'MB', 'GB' );
+			for ( $u = -1; $upload_size_unit > 1024 && $u < count( $sizes ) - 1; $u++ ) {
+				$upload_size_unit /= 1024;
+			}
+			if ( $u < 0 ) {
 
-        }// end if is file upload type
+				$upload_size_unit = 0;
+				$u = 0;
 
-        return $question_data;
+			} else {
 
-    }// end file_upload_load_question_data
+				$upload_size_unit = (int) $upload_size_unit;
 
-    /**
-     * Load multiple choice question data on the sensei_get_question_template_data
-     * filter.
-     *
-     * @since 1.9.0
-     *
-     * @param $question_data
-     * @param $question_id
-     * @param $quiz_id
-     *
-     * @return array()
-     */
-    public static function multiple_choice_load_question_data( $question_data, $question_id, $quiz_id ){
+			}
+			$max_upload_size = sprintf( __( 'Maximum upload file size: %d%s' ), esc_html( $upload_size_unit ), esc_html( $sizes[ $u ] ) );
 
-        if( 'multiple-choice' == Sensei()->question->get_question_type( $question_id ) ) {
+			// Assemble all the data needed by the file upload template
+			$question_data[ 'answer_media_url' ]      = $answer_media_url;
+			$question_data[ 'answer_media_filename' ] = $answer_media_filename;
+			$question_data[ 'max_upload_size' ]       = $max_upload_size;
 
+			$question_data[ 'question_helptext' ]     = $question_helptext;
 
-            $answer_type = 'radio';
-            if ( is_array( $question_data[ 'question_right_answer' ] ) && ( 1 < count( $question_data[ 'question_right_answer' ] ) ) ) {
+		}// end if is file upload type
 
-                $answer_type = 'checkbox';
+		return $question_data;
 
-            }
+	}// end file_upload_load_question_data
 
-            // Merge right and wrong answers
-            if ( is_array( $question_data[ 'question_right_answer' ] ) ) {
+	/**
+	 * Load multiple choice question data on the sensei_get_question_template_data
+	 * filter.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $question_data
+	 * @param $question_id
+	 * @param $quiz_id
+	 *
+	 * @return array()
+	 */
+	public static function multiple_choice_load_question_data( $question_data, $question_id, $quiz_id ){
 
-                $merged_options = array_merge( $question_data[ 'question_wrong_answers' ], $question_data[ 'question_right_answer' ] );
+		if( 'multiple-choice' == Sensei()->question->get_question_type( $question_id ) ) {
 
-            }  else {
 
-                array_push( $question_data[ 'question_wrong_answers' ], $question_data[ 'question_right_answer' ] );
-                $merged_options = $question_data[ 'question_wrong_answers' ];
+			$answer_type = 'radio';
+			if ( is_array( $question_data[ 'question_right_answer' ] ) && ( 1 < count( $question_data[ 'question_right_answer' ] ) ) ) {
 
-            }
+				$answer_type = 'checkbox';
 
-            // Setup answer options array.
-            $question_answers_options = array();
-            $count = 0;
+			}
 
-            foreach( $merged_options as $answer ) {
+			// Merge right and wrong answers
+			if ( is_array( $question_data[ 'question_right_answer' ] ) ) {
 
-                $count++;
-                $question_option = array();
+				$merged_options = array_merge( $question_data[ 'question_wrong_answers' ], $question_data[ 'question_right_answer' ] );
 
-                if( ( $question_data[ 'lesson_completed' ] && $question_data[ 'user_quiz_grade' ] != '' )
-                    || ( $question_data[ 'lesson_completed' ] && ! $question_data[ 'reset_quiz_allowed' ] && $question_data[ 'user_quiz_grade' ] != '' )
-                    || ( 'auto' == $question_data[ 'quiz_grade_type' ] && ! $question_data[ 'reset_quiz_allowed' ]  && ! empty( $question_data[ 'user_quiz_grade' ] ) ) ) {
+			}  else {
 
-                    $user_correct = false;
+				array_push( $question_data[ 'question_wrong_answers' ], $question_data[ 'question_right_answer' ] );
+				$merged_options = $question_data[ 'question_wrong_answers' ];
 
+			}
 
-                    // For zero grade mark as 'correct' but add no classes
-                    if ( 0 == $question_data[ 'question_grade' ] ) {
+			// Setup answer options array.
+			$question_answers_options = array();
+			$count = 0;
 
-                        $user_correct = true;
+			foreach( $merged_options as $answer ) {
 
-                    }  else if( $question_data[ 'user_question_grade' ] > 0 ) {
+				$count++;
+				$question_option = array();
 
-                        $user_correct = true;
+				if( ( $question_data[ 'lesson_completed' ] && $question_data[ 'user_quiz_grade' ] != '' )
+					|| ( $question_data[ 'lesson_completed' ] && ! $question_data[ 'reset_quiz_allowed' ] && $question_data[ 'user_quiz_grade' ] != '' )
+					|| ( 'auto' == $question_data[ 'quiz_grade_type' ] && ! $question_data[ 'reset_quiz_allowed' ]  && ! empty( $question_data[ 'user_quiz_grade' ] ) ) ) {
 
-                    }
+					$user_correct = false;
 
-                }
 
-                // setup the option specific classes
-                $answer_class = '';
-                if( isset( $user_correct ) && 0 < $question_data[ 'question_grade' ] ) {
-                    if ( is_array( $question_data['question_right_answer'] ) && in_array($answer, $question_data['question_right_answer']) ) {
+					// For zero grade mark as 'correct' but add no classes
+					if ( 0 == $question_data[ 'question_grade' ] ) {
 
-                        $answer_class .= ' right_answer';
+						$user_correct = true;
 
-                    }  elseif( !is_array($question_data['question_right_answer']) && $question_data['question_right_answer'] == $answer ) {
+					}  else if( $question_data[ 'user_question_grade' ] > 0 ) {
 
-                        $answer_class .= ' right_answer';
+						$user_correct = true;
 
-                    } elseif( ( is_array( $question_data['user_answer_entry']  ) && in_array($answer, $question_data['user_answer_entry'] ) )
-                        ||  ( !  $question_data['user_answer_entry'] &&  $question_data['user_answer_entry'] == $answer ) ) {
+					}
 
-                        $answer_class = 'user_wrong';
-                        if( $user_correct ) {
+				}
 
-                            $answer_class = 'user_right';
+				// setup the option specific classes
+				$answer_class = '';
+				if( isset( $user_correct ) && 0 < $question_data[ 'question_grade' ] ) {
+					if ( is_array( $question_data['question_right_answer'] ) && in_array($answer, $question_data['question_right_answer']) ) {
 
-                        }
+						$answer_class .= ' right_answer';
 
-                    }
+					}  elseif( !is_array($question_data['question_right_answer']) && $question_data['question_right_answer'] == $answer ) {
 
-                }
+						$answer_class .= ' right_answer';
 
-                // determine if the current option must be checked
-                $checked = '';
-                if ( isset( $question_data['user_answer_entry'] ) && 0 < count( $question_data['user_answer_entry'] ) ) {
-                    if ( is_array( $question_data['user_answer_entry'] ) && in_array( $answer, $question_data['user_answer_entry'] ) ) {
+					} elseif( ( is_array( $question_data['user_answer_entry']  ) && in_array($answer, $question_data['user_answer_entry'] ) )
+						||  ( !  $question_data['user_answer_entry'] &&  $question_data['user_answer_entry'] == $answer ) ) {
 
-                        $checked = 'checked="checked"';
+						$answer_class = 'user_wrong';
+						if( $user_correct ) {
 
-                    } elseif ( !is_array( $question_data['user_answer_entry'] ) ) {
+							$answer_class = 'user_right';
 
-                        $checked = checked( $answer, $question_data['user_answer_entry'] , false );
+						}
 
-                    }
+					}
 
-                } // End If Statement
+				}
 
-                //Load the answer option data
-                $question_option[ 'ID' ]          = Sensei()->lesson->get_answer_id( $answer );
-                $question_option[ 'answer' ]      = $answer;
-                $question_option[ 'option_class'] = $answer_class;
-                $question_option[ 'checked']      = $checked;
-                $question_option[ 'count' ]       = $count;
-                $question_option[ 'type' ] = $answer_type;
+				// determine if the current option must be checked
+				$checked = '';
+				if ( isset( $question_data['user_answer_entry'] ) && 0 < count( $question_data['user_answer_entry'] ) ) {
+					if ( is_array( $question_data['user_answer_entry'] ) && in_array( $answer, $question_data['user_answer_entry'] ) ) {
 
-                // add the speci  fic option to the list of options for this question
-                $question_answers_options[] = $question_option;
+						$checked = 'checked="checked"';
 
-            } // end for each option
+					} elseif ( !is_array( $question_data['user_answer_entry'] ) ) {
 
+						$checked = checked( $answer, $question_data['user_answer_entry'] , false );
 
-            // Shuffle the array depending on the settings
-            $answer_options_sorted = array();
-            $random_order = get_post_meta( $question_data['ID'], '_random_order', true );
-            if(  $random_order && $random_order == 'yes' ) {
+					}
 
-                $answer_options_sorted = $question_answers_options;
-                shuffle( $answer_options_sorted );
+				} // End If Statement
 
-            } else {
+				//Load the answer option data
+				$question_option[ 'ID' ]          = Sensei()->lesson->get_answer_id( $answer );
+				$question_option[ 'answer' ]      = $answer;
+				$question_option[ 'option_class'] = $answer_class;
+				$question_option[ 'checked']      = $checked;
+				$question_option[ 'count' ]       = $count;
+				$question_option[ 'type' ] = $answer_type;
 
-                $answer_order = array();
-                $answer_order_string = get_post_meta( $question_data['ID'], '_answer_order', true );
-                if( $answer_order_string ) {
+				// add the speci  fic option to the list of options for this question
+				$question_answers_options[] = $question_option;
 
-                    $answer_order = array_filter( explode( ',', $answer_order_string ) );
-                    if( count( $answer_order ) > 0 ) {
+			} // end for each option
 
-                        foreach( $answer_order as $answer_id ) {
 
-                            if( isset( $question_answers_options[ $answer_id ] ) ) {
+			// Shuffle the array depending on the settings
+			$answer_options_sorted = array();
+			$random_order = get_post_meta( $question_data['ID'], '_random_order', true );
+			if(  $random_order && $random_order == 'yes' ) {
 
-                                $answer_options_sorted[ $answer_id ] = $question_answers_options[ $answer_id ];
-                                unset( $question_answers_options[ $answer_id ] );
+				$answer_options_sorted = $question_answers_options;
+				shuffle( $answer_options_sorted );
 
-                            }
+			} else {
 
-                        }
+				$answer_order = array();
+				$answer_order_string = get_post_meta( $question_data['ID'], '_answer_order', true );
+				if( $answer_order_string ) {
 
-                        if( count( $question_answers_options ) > 0 ) {
-                            foreach( $question_answers_options as $id => $answer ) {
+					$answer_order = array_filter( explode( ',', $answer_order_string ) );
+					if( count( $answer_order ) > 0 ) {
 
-                                $answer_options_sorted[ $id ] = $answer;
+						foreach( $answer_order as $answer_id ) {
 
-                            }
-                        }
+							if( isset( $question_answers_options[ $answer_id ] ) ) {
 
-                    }else{
+								$answer_options_sorted[ $answer_id ] = $question_answers_options[ $answer_id ];
+								unset( $question_answers_options[ $answer_id ] );
 
-                        $answer_options_sorted = $question_answers_options;
+							}
 
-                    }
+						}
 
-                }else{
+						if( count( $question_answers_options ) > 0 ) {
+							foreach( $question_answers_options as $id => $answer ) {
 
-                    $answer_options_sorted = $question_answers_options;
+								$answer_options_sorted[ $id ] = $answer;
 
-                } // end if $answer_order_string
+							}
+						}
 
-            } // end if random order
+					}else{
 
+						$answer_options_sorted = $question_answers_options;
 
-            // assemble and setup the data for the templates data array
-            $question_data[ 'answer_options' ]    =  $answer_options_sorted;
+					}
 
-        }
+				}else{
 
-        return $question_data;
+					$answer_options_sorted = $question_answers_options;
 
-    }//  end multiple_choice_load_question_data
+				} // end if $answer_order_string
 
-    /**
-     * Load the gap fill question data on the sensei_get_question_template_data
-     * filter.
-     *
-     * @since 1.9.0
-     *
-     * @param $question_data
-     * @param $question_id
-     * @param $quiz_id
-     *
-     * @return array()
-     */
-    public static function gap_fill_load_question_data( $question_data, $question_id, $quiz_id ){
+			} // end if random order
 
-        if( 'gap-fill' == Sensei()->question->get_question_type( $question_id ) ) {
 
-            $gapfill_array = explode( '||', $question_data[ 'question_right_answer' ] );
-            $question_data[ 'gapfill_pre' ]  = isset( $gapfill_array[0] ) ? $gapfill_array[0] : '';
-            $question_data[ 'gapfill_gap' ]  = isset( $gapfill_array[1] ) ? $gapfill_array[1] : '';
-            $question_data[ 'gapfill_post' ] = isset( $gapfill_array[2] ) ? $gapfill_array[2] : '';
+			// assemble and setup the data for the templates data array
+			$question_data[ 'answer_options' ]    =  $answer_options_sorted;
 
-        }
+		}
 
-        return $question_data;
+		return $question_data;
 
-    }//  end gap_fill_load_question_data
+	}//  end multiple_choice_load_question_data
+
+	/**
+	 * Load the gap fill question data on the sensei_get_question_template_data
+	 * filter.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $question_data
+	 * @param $question_id
+	 * @param $quiz_id
+	 *
+	 * @return array()
+	 */
+	public static function gap_fill_load_question_data( $question_data, $question_id, $quiz_id ){
+
+		if( 'gap-fill' == Sensei()->question->get_question_type( $question_id ) ) {
+
+			$gapfill_array = explode( '||', $question_data[ 'question_right_answer' ] );
+			$question_data[ 'gapfill_pre' ]  = isset( $gapfill_array[0] ) ? $gapfill_array[0] : '';
+			$question_data[ 'gapfill_gap' ]  = isset( $gapfill_array[1] ) ? $gapfill_array[1] : '';
+			$question_data[ 'gapfill_post' ] = isset( $gapfill_array[2] ) ? $gapfill_array[2] : '';
+
+		}
+
+		return $question_data;
+
+	}//  end gap_fill_load_question_data
 
 
-    /**
-     * Get the correct answer for a question
-     *
-     * @param $question_id
-     * @return string $correct_answer or empty
-     */
-    public static function get_correct_answer( $question_id ){
+	/**
+	 * Get the correct answer for a question
+	 *
+	 * @param $question_id
+	 * @return string $correct_answer or empty
+	 */
+	public static function get_correct_answer( $question_id ){
 
-        $right_answer = get_post_meta( $question_id, '_question_right_answer', true );
-        $type = Sensei()->question->get_question_type( $question_id );
-        $type_name = __( 'Multiple Choice', 'woothemes-sensei' );
-        $grade_type = 'manual-grade';
+		$right_answer = get_post_meta( $question_id, '_question_right_answer', true );
+		$type = Sensei()->question->get_question_type( $question_id );
+		$type_name = __( 'Multiple Choice', 'woothemes-sensei' );
+		$grade_type = 'manual-grade';
 
-        if ('boolean'== $type ) {
+		if ('boolean'== $type ) {
 
-            $right_answer = ucfirst($right_answer);
+			$right_answer = ucfirst($right_answer);
 
-        }elseif( 'multiple-choice' == $type ) {
+		}elseif( 'multiple-choice' == $type ) {
 
-            $right_answer = (array) $right_answer;
-            $right_answer = implode( ', ', $right_answer );
+			$right_answer = (array) $right_answer;
+			$right_answer = implode( ', ', $right_answer );
 
-        }elseif( 'gap-fill' == $type ) {
+		}elseif( 'gap-fill' == $type ) {
 
-            $right_answer_array = explode( '||', $right_answer );
-            if ( isset( $right_answer_array[0] ) ) { $gapfill_pre = $right_answer_array[0]; } else { $gapfill_pre = ''; }
-            if ( isset( $right_answer_array[1] ) ) { $gapfill_gap = $right_answer_array[1]; } else { $gapfill_gap = ''; }
-            if ( isset( $right_answer_array[2] ) ) { $gapfill_post = $right_answer_array[2]; } else { $gapfill_post = ''; }
+			$right_answer_array = explode( '||', $right_answer );
+			if ( isset( $right_answer_array[0] ) ) { $gapfill_pre = $right_answer_array[0]; } else { $gapfill_pre = ''; }
+			if ( isset( $right_answer_array[1] ) ) { $gapfill_gap = $right_answer_array[1]; } else { $gapfill_gap = ''; }
+			if ( isset( $right_answer_array[2] ) ) { $gapfill_post = $right_answer_array[2]; } else { $gapfill_post = ''; }
 
-            $right_answer = $gapfill_pre . ' <span class="highlight">' . $gapfill_gap . '</span> ' . $gapfill_post;
+			$right_answer = $gapfill_pre . ' <span class="highlight">' . $gapfill_gap . '</span> ' . $gapfill_post;
 
-        }else{
+		}else{
 
-            // for non auto gradable question types no answer should be returned.
-            $right_answer = '';
+			// for non auto gradable question types no answer should be returned.
+			$right_answer = '';
 
-        }
+		}
 
-        return $right_answer;
+		return $right_answer;
 
-    } // get_correct_answer
+	} // get_correct_answer
 
 } // End Class
 

includes/class-sensei-course.php

Indentation +1397 added lines, -1397 removed lines

@@ -13,21 +13,21 @@ 
  * @since 1.0.0
  */
 class Sensei_Course {
-    /**
-     * @var $token
-     */
+	/**
+	 * @var $token
+	 */
 	public $token;
 
-    /**
-     * @var array $meta_fields
-     */
+	/**
+	 * @var array $meta_fields
+	 */
 	public $meta_fields;
 
-    /**
-     * @var string|bool $my_courses_page reference to the sites
-     * my courses page, false if none was set
-     */
-    public  $my_courses_page;
+	/**
+	 * @var string|bool $my_courses_page reference to the sites
+	 * my courses page, false if none was set
+	 */
+	public  $my_courses_page;
 
 	/**
 	 * Constructor.
@@ -35,14 +35,14 @@ 
 	 */
 	public function __construct () {
 
-        $this->token = 'course';
+		$this->token = 'course';
 
 		// Setup meta fields for this post type
 		$this->meta_fields = array( 'course_prerequisite', 'course_featured', 'course_video_embed', 'course_woocommerce_product' );
 		// Admin actions
 		if ( is_admin() ) {
 			// Metabox functions
-            add_action( 'add_meta_boxes', array( $this, 'meta_box_setup' ), 20 );
+			add_action( 'add_meta_boxes', array( $this, 'meta_box_setup' ), 20 );
 			add_action( 'save_post', array( $this, 'meta_box_save' ) );
 			// Custom Write Panel Columns
 			add_filter( 'manage_edit-course_columns', array( $this, 'add_column_headings' ), 10, 1 );
@@ -58,47 +58,47 @@ 
 		// Update course completion upon grading of a quiz
 		add_action( 'sensei_user_quiz_grade', array( $this, 'update_status_after_quiz_submission' ), 10, 2 );
 
-        // show the progress bar ont he single course page
-        add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_statement' ), 15 );
-        add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_meter' ), 16 );
+		// show the progress bar ont he single course page
+		add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_statement' ), 15 );
+		add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_meter' ), 16 );
 
-        // provide an option to block all emails related to a selected course
-        add_filter( 'sensei_send_emails', array( $this, 'block_notification_emails' ) );
-        add_action( 'save_post', array( $this, 'save_course_notification_meta_box' ) );
+		// provide an option to block all emails related to a selected course
+		add_filter( 'sensei_send_emails', array( $this, 'block_notification_emails' ) );
+		add_action( 'save_post', array( $this, 'save_course_notification_meta_box' ) );
 
-        // preview lessons on the course content
-        add_action( 'sensei_course_content_inside_after',array( $this, 'the_course_free_lesson_preview' ) );
+		// preview lessons on the course content
+		add_action( 'sensei_course_content_inside_after',array( $this, 'the_course_free_lesson_preview' ) );
 
-        // the course meta
-        add_action('sensei_course_content_inside_before', array( $this, 'the_course_meta' ) );
+		// the course meta
+		add_action('sensei_course_content_inside_before', array( $this, 'the_course_meta' ) );
 
-        // backwards compatible template hooks
-        add_action('sensei_course_content_inside_before', array( $this, 'content_before_backwards_compatibility_hooks' ));
-        add_action('sensei_loop_course_before', array( $this,'loop_before_backwards_compatibility_hooks' ) );
+		// backwards compatible template hooks
+		add_action('sensei_course_content_inside_before', array( $this, 'content_before_backwards_compatibility_hooks' ));
+		add_action('sensei_loop_course_before', array( $this,'loop_before_backwards_compatibility_hooks' ) );
 
-        // add the user status on the course to the markup as a class
-        add_filter('post_class', array( __CLASS__ , 'add_course_user_status_class' ), 20, 3 );
+		// add the user status on the course to the markup as a class
+		add_filter('post_class', array( __CLASS__ , 'add_course_user_status_class' ), 20, 3 );
 
-        //filter the course query in Sensei specific instances
-        add_filter( 'pre_get_posts', array( __CLASS__, 'course_query_filter' ) );
+		//filter the course query in Sensei specific instances
+		add_filter( 'pre_get_posts', array( __CLASS__, 'course_query_filter' ) );
 
-        //attache the sorting to the course archive
-        add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_sorting' ) );
+		//attache the sorting to the course archive
+		add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_sorting' ) );
 
-        //attach the filter links to the course archive
-        add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_filters' ) );
+		//attach the filter links to the course archive
+		add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_filters' ) );
 
-        //filter the course query when featured filter is applied
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_featured_filter'));
+		//filter the course query when featured filter is applied
+		add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_featured_filter'));
 
-        // handle the order by title post submission
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_order_by_title'));
+		// handle the order by title post submission
+		add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_order_by_title'));
 
-        // ensure the course category page respects the manual order set for courses
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'alter_course_category_order'));
+		// ensure the course category page respects the manual order set for courses
+		add_filter( 'pre_get_posts',  array( __CLASS__, 'alter_course_category_order'));
 
-        // flush rewrite rules when saving a course
-        add_action('save_post', array( 'Sensei_Course', 'flush_rewrite_rules' ) );
+		// flush rewrite rules when saving a course
+		add_action('save_post', array( 'Sensei_Course', 'flush_rewrite_rules' ) );
 
 	} // End __construct()
 
@@ -151,13 +151,13 @@ 
 		add_meta_box( 'course-video', __( 'Course Video', 'woothemes-sensei' ), array( $this, 'course_video_meta_box_content' ), $this->token, 'normal', 'default' );
 		// Add Meta Box for Course Lessons
 		add_meta_box( 'course-lessons', __( 'Course Lessons', 'woothemes-sensei' ), array( $this, 'course_lessons_meta_box_content' ), $this->token, 'normal', 'default' );
-        // Add Meta Box to link to Manage Learners
-        add_meta_box( 'course-manage', __( 'Course Management', 'woothemes-sensei' ), array( $this, 'course_manage_meta_box_content' ), $this->token, 'side', 'default' );
-        // Remove "Custom Settings" meta box.
+		// Add Meta Box to link to Manage Learners
+		add_meta_box( 'course-manage', __( 'Course Management', 'woothemes-sensei' ), array( $this, 'course_manage_meta_box_content' ), $this->token, 'side', 'default' );
+		// Remove "Custom Settings" meta box.
 		remove_meta_box( 'woothemes-settings', $this->token, 'normal' );
 
-        // add Disable email notification box
-        add_meta_box( 'course-notifications', __( 'Course Notifications', 'woothemes-sensei' ), array( $this, 'course_notification_meta_box_content' ), 'course', 'normal', 'default' );
+		// add Disable email notification box
+		add_meta_box( 'course-notifications', __( 'Course Notifications', 'woothemes-sensei' ), array( $this, 'course_notification_meta_box_content' ), 'course', 'normal', 'default' );
 
 	} // End meta_box_setup()
 
@@ -175,10 +175,10 @@ 
 		$post_args = array(	'post_type' 		=> array( 'product', 'product_variation' ),
 							'posts_per_page' 		=> -1,
 							'orderby'         	=> 'title',
-    						'order'           	=> 'DESC',
-    						'exclude' 			=> $post->ID,
-    						'post_status'		=> array( 'publish', 'private', 'draft' ),
-    						'tax_query'			=> array(
+							'order'           	=> 'DESC',
+							'exclude' 			=> $post->ID,
+							'post_status'		=> array( 'publish', 'private', 'draft' ),
+							'tax_query'			=> array(
 								array(
 									'taxonomy'	=> 'product_type',
 									'field'		=> 'slug',
@@ -206,21 +206,21 @@ 
 						$product_object = get_product( $post_item->ID );
 						$parent_id = wp_get_post_parent_id( $post_item->ID );
 
-                        if( sensei_check_woocommerce_version( '2.1' ) ) {
+						if( sensei_check_woocommerce_version( '2.1' ) ) {
 							$formatted_variation = wc_get_formatted_variation( $product_object->variation_data, true );
 
 						} else {
-                            // fall back to pre wc 2.1
+							// fall back to pre wc 2.1
 							$formatted_variation = woocommerce_get_formatted_variation( $product_object->variation_data, true );
 
 						}
 
-                        $product_name = ucwords( $formatted_variation );
-                        if( empty( $product_name ) ){
+						$product_name = ucwords( $formatted_variation );
+						if( empty( $product_name ) ){
 
-                            $product_name = __( 'Variation #', 'woothemes-sensei' ) . $product_object->variation_id;
+							$product_name = __( 'Variation #', 'woothemes-sensei' ) . $product_object->variation_id;
 
-                        }
+						}
 
 					} else {
 
@@ -270,7 +270,7 @@ 
 
 			} else {
 
-                $html .= '<p>' . "\n";
+				$html .= '<p>' . "\n";
 					$html .= esc_html( __( 'No products exist yet.', 'woothemes-sensei' ) ) . "\n";
 				$html .= '</p>'."\n";
 
@@ -296,8 +296,8 @@ 
 		$post_args = array(	'post_type' 		=> 'course',
 							'posts_per_page' 		=> -1,
 							'orderby'         	=> 'title',
-    						'order'           	=> 'DESC',
-    						'exclude' 			=> $post->ID,
+							'order'           	=> 'DESC',
+							'exclude' 			=> $post->ID,
 							'suppress_filters' 	=> 0
 							);
 		$posts_array = get_posts( $post_args );
@@ -338,7 +338,7 @@ 
 
 		$checked = '';
 		if ( isset( $course_featured ) && ( '' != $course_featured ) ) {
-	 	    $checked = checked( 'featured', $course_featured, false );
+	 		$checked = checked( 'featured', $course_featured, false );
 	 	} // End If Statement
 
 	 	$html .= '<input type="checkbox" name="course_featured" value="featured" ' . $checked . '>&nbsp;' . __( 'Feature this course', 'woothemes-sensei' ) . '<br>';
@@ -433,8 +433,8 @@ 
 			$new_meta_value = ( isset( $_POST[$post_key] ) ? sanitize_html_class( $_POST[$post_key] ) : '' );
 		} // End If Statement
 
-        // update field with the new value
-        return update_post_meta( $post_id, $meta_key, $new_meta_value );
+		// update field with the new value
+		return update_post_meta( $post_id, $meta_key, $new_meta_value );
 
 	} // End save_post_meta()
 
@@ -458,8 +458,8 @@ 
 
 		$html = '';
 		$html .= '<input type="hidden" name="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" id="'
-                 . esc_attr( 'woo_' . $this->token . '_noonce' )
-                 . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
+				 . esc_attr( 'woo_' . $this->token . '_noonce' )
+				 . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
 
 		if ( count( $posts_array ) > 0 ) {
 
@@ -480,8 +480,8 @@ 
 			$html .= '<p>' . esc_html( __( 'No lessons exist yet for this course.', 'woothemes-sensei' ) ) . "\n";
 
 				$html .= '<a href="' . admin_url( 'post-new.php?post_type=lesson' . $course_id )
-                         . '" title="' . esc_attr( __( 'Add a Lesson', 'woothemes-sensei' ) ) . '">'
-                         . __( 'Please add some.', 'woothemes-sensei' ) . '</a>' . "\n";
+						 . '" title="' . esc_attr( __( 'Add a Lesson', 'woothemes-sensei' ) ) . '">'
+						 . __( 'Please add some.', 'woothemes-sensei' ) . '</a>' . "\n";
 
 			$html .= '</p>'."\n";
 		} // End If Statement
@@ -490,29 +490,29 @@ 
 
 	} // End course_lessons_meta_box_content()
 
-    /**
-     * course_manage_meta_box_content function.
-     *
-     * @since 1.9.0
-     * @access public
-     * @return void
-     */
+	/**
+	 * course_manage_meta_box_content function.
+	 *
+	 * @since 1.9.0
+	 * @access public
+	 * @return void
+	 */
 
-    public function course_manage_meta_box_content () {
-        global $post;
+	public function course_manage_meta_box_content () {
+		global $post;
         
-        $manage_url = esc_url( add_query_arg( array( 'page' => 'sensei_learners', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
+		$manage_url = esc_url( add_query_arg( array( 'page' => 'sensei_learners', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
 
-        $grading_url = esc_url( add_query_arg( array( 'page' => 'sensei_grading', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
+		$grading_url = esc_url( add_query_arg( array( 'page' => 'sensei_grading', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
 
 
-        echo "<ul><li><a href='$manage_url'>".__("Manage Learners", 'woothemes-sensei')."</a></li>";
+		echo "<ul><li><a href='$manage_url'>".__("Manage Learners", 'woothemes-sensei')."</a></li>";
 
-        echo "<li><a href='$grading_url'>".__("Manage Grading", 'woothemes-sensei')."</a></li></ul>";
+		echo "<li><a href='$grading_url'>".__("Manage Grading", 'woothemes-sensei')."</a></li></ul>";
 
 
 
-    } // End course_manage_meta_box_content()
+	} // End course_manage_meta_box_content()
 
 	/**
 	 * Add column headings to the "lesson" post list screen.
@@ -653,92 +653,92 @@ 
 			} // End If Statement
 		} // End If Statement
 
-        $stored_order = get_option( 'sensei_course_order', '' );
-        $order = 'ASC';
-        $orderby = 'menu_order';
-        if( empty( $stored_order ) ){
+		$stored_order = get_option( 'sensei_course_order', '' );
+		$order = 'ASC';
+		$orderby = 'menu_order';
+		if( empty( $stored_order ) ){
 
-            $order = 'DESC';
-            $orderby = 'date';
+			$order = 'DESC';
+			$orderby = 'date';
 
-        }
+		}
 
 		switch ($type) {
 
 			case 'usercourses':
 				$post_args = array(	'post_type' 		=> 'course',
 									'orderby'         	=> $orderby,
-    								'order'           	=> $order,
-    								'post_status'      	=> 'publish',
-    								'include'			=> $includes,
-    								'exclude'			=> $excludes,
-    								'suppress_filters' 	=> 0
+									'order'           	=> $order,
+									'post_status'      	=> 'publish',
+									'include'			=> $includes,
+									'exclude'			=> $excludes,
+									'suppress_filters' 	=> 0
 									);
 				break;
 			case 'freecourses':
 
-                $post_args = array(
-                    'post_type' 		=> 'course',
-                    'orderby'         	=> $orderby,
-                    'order'           	=> $order,
-                    'post_status'      	=> 'publish',
-                    'exclude'			=> $excludes,
-                    'suppress_filters' 	=> 0
-                );
-                // Sub Query to get all WooCommerce Products that have Zero price
-                $post_args['meta_query'] = Sensei_WC::get_free_courses_meta_query_args();
+				$post_args = array(
+					'post_type' 		=> 'course',
+					'orderby'         	=> $orderby,
+					'order'           	=> $order,
+					'post_status'      	=> 'publish',
+					'exclude'			=> $excludes,
+					'suppress_filters' 	=> 0
+				);
+				// Sub Query to get all WooCommerce Products that have Zero price
+				$post_args['meta_query'] = Sensei_WC::get_free_courses_meta_query_args();
 
-                break;
+				break;
 
 			case 'paidcourses':
 
-                $post_args = array(
-                    'post_type' 		=> 'course',
-                    'orderby'         	=> $orderby,
-                    'order'           	=> $order,
-                    'post_status'      	=> 'publish',
-                    'exclude'			=> $excludes,
-                    'suppress_filters' 	=> 0
-                );
+				$post_args = array(
+					'post_type' 		=> 'course',
+					'orderby'         	=> $orderby,
+					'order'           	=> $order,
+					'post_status'      	=> 'publish',
+					'exclude'			=> $excludes,
+					'suppress_filters' 	=> 0
+				);
 
-                // Sub Query to get all WooCommerce Products that have price greater than zero
-                $post_args['meta_query'] = Sensei_WC::get_paid_courses_meta_query_args();
+				// Sub Query to get all WooCommerce Products that have price greater than zero
+				$post_args['meta_query'] = Sensei_WC::get_paid_courses_meta_query_args();
 
 				break;
 
 			case 'featuredcourses':
-                $post_args = array(	'post_type' 		=> 'course',
-                                    'orderby'         	=> $orderby,
-                                    'order'           	=> $order,
-    								'post_status'      	=> 'publish',
-    								'meta_value' 		=> 'featured',
-    								'meta_key' 			=> '_course_featured',
-    								'meta_compare' 		=> '=',
-    								'exclude'			=> $excludes,
-    								'suppress_filters' 	=> 0
+				$post_args = array(	'post_type' 		=> 'course',
+									'orderby'         	=> $orderby,
+									'order'           	=> $order,
+									'post_status'      	=> 'publish',
+									'meta_value' 		=> 'featured',
+									'meta_key' 			=> '_course_featured',
+									'meta_compare' 		=> '=',
+									'exclude'			=> $excludes,
+									'suppress_filters' 	=> 0
 									);
 				break;
 			default:
 				$post_args = array(	'post_type' 		=> 'course',
-                                    'orderby'         	=> $orderby,
-                                    'order'           	=> $order,
-    								'post_status'      	=> 'publish',
-    								'exclude'			=> $excludes,
-    								'suppress_filters' 	=> 0
+									'orderby'         	=> $orderby,
+									'order'           	=> $order,
+									'post_status'      	=> 'publish',
+									'exclude'			=> $excludes,
+									'suppress_filters' 	=> 0
 									);
 				break;
 
 		}
 
-        $post_args['posts_per_page'] = $amount;
-        $paged = $wp_query->get( 'paged' );
-        $post_args['paged'] = empty( $paged) ? 1 : $paged;
+		$post_args['posts_per_page'] = $amount;
+		$paged = $wp_query->get( 'paged' );
+		$post_args['paged'] = empty( $paged) ? 1 : $paged;
 
-        if( 'newcourses' == $type ){
+		if( 'newcourses' == $type ){
 
-            $post_args[ 'orderby' ] = 'date';
-            $post_args[ 'order' ] = 'DESC';
-        }
+			$post_args[ 'orderby' ] = 'date';
+			$post_args[ 'order' ] = 'DESC';
+		}
 
 		return $post_args;
 	}
@@ -748,22 +748,22 @@ 
 	 * course_image function.
 	 *
 	 * Outputs the courses image, or first image from a lesson within a course
-     *
-     * Will echo the image unless return true is specified.
+	 *
+	 * Will echo the image unless return true is specified.
 	 *
 	 * @access public
 	 * @param int | WP_Post $course_id (default: 0)
 	 * @param string $width (default: '100')
 	 * @param string $height (default: '100')
-     * @param bool $return default false
-     *
+	 * @param bool $return default false
+	 *
 	 * @return string | void
 	 */
 	public function course_image( $course_id = 0, $width = '100', $height = '100', $return = false ) {
 
-        if( is_a( $course_id, 'WP_Post' ) ){
-            $course_id = $course_id->ID;
-        }
+		if( is_a( $course_id, 'WP_Post' ) ){
+			$course_id = $course_id->ID;
+		}
 
 		$html = '';
 
@@ -820,7 +820,7 @@ 
  				// Display Image Placeholder if none
 				if ( Sensei()->settings->get( 'placeholder_images_enable' ) ) {
 
-                    $img_url = apply_filters( 'sensei_course_placeholder_image_url', '<img src="http://placehold.it/' . $width . 'x' . $height . '" class="woo-image thumbnail alignleft" />' );
+					$img_url = apply_filters( 'sensei_course_placeholder_image_url', '<img src="http://placehold.it/' . $width . 'x' . $height . '" class="woo-image thumbnail alignleft" />' );
 
 				} // End If Statement
 
@@ -834,15 +834,15 @@ 
 
 		} // End If Statement
 
-        if( $return ){
+		if( $return ){
 
-            return $html;
+			return $html;
 
-        }else{
+		}else{
 
-            echo $html;
+			echo $html;
 
-        }
+		}
 
 	} // End course_image()
 
@@ -886,9 +886,9 @@ 
 	 */
 	public function course_lessons( $course_id = 0, $post_status = 'publish', $fields = 'all' ) {
 
-        if( is_a( $course_id, 'WP_Post' ) ){
-            $course_id = $course_id->ID;
-        }
+		if( is_a( $course_id, 'WP_Post' ) ){
+			$course_id = $course_id->ID;
+		}
 
 		$post_args = array(	'post_type'         => 'lesson',
 							'posts_per_page'       => -1,
@@ -904,67 +904,67 @@ 
 							'suppress_filters'  => 0,
 							);
 		$query_results = new WP_Query( $post_args );
-        $lessons = $query_results->posts;
-
-        // re order the lessons. This could not be done via the OR meta query as there may be lessons
-        // with the course order for a different course and this should not be included. It could also not
-        // be done via the AND meta query as it excludes lesson that does not have the _order_$course_id but
-        // that have been added to the course.
-        if( count( $lessons) > 1  ){
-
-            foreach( $lessons as $lesson ){
-
-                $order = intval( get_post_meta( $lesson->ID, '_order_'. $course_id, true ) );
-                // for lessons with no order set it to be 10000 so that it show up at the end
-                $lesson->course_order = $order ? $order : 100000;
-            }
-
-            uasort( $lessons, array( $this, '_short_course_lessons_callback' )   );
-        }
-
-        /**
-         * Filter runs inside Sensei_Course::course_lessons function
-         *
-         * Returns all lessons for a given course
-         *
-         * @param array $lessons
-         * @param int $course_id
-         */
-        $lessons = apply_filters( 'sensei_course_get_lessons', $lessons, $course_id  );
-
-        //return the requested fields
-        // runs after the sensei_course_get_lessons filter so the filter always give an array of lesson
-        // objects
-        if( 'ids' == $fields ) {
-            $lesson_objects = $lessons;
-            $lessons = array();
-
-            foreach ($lesson_objects as $lesson) {
-                $lessons[] = $lesson->ID;
-            }
-        }
-
-        return $lessons;
+		$lessons = $query_results->posts;
+
+		// re order the lessons. This could not be done via the OR meta query as there may be lessons
+		// with the course order for a different course and this should not be included. It could also not
+		// be done via the AND meta query as it excludes lesson that does not have the _order_$course_id but
+		// that have been added to the course.
+		if( count( $lessons) > 1  ){
+
+			foreach( $lessons as $lesson ){
+
+				$order = intval( get_post_meta( $lesson->ID, '_order_'. $course_id, true ) );
+				// for lessons with no order set it to be 10000 so that it show up at the end
+				$lesson->course_order = $order ? $order : 100000;
+			}
+
+			uasort( $lessons, array( $this, '_short_course_lessons_callback' )   );
+		}
+
+		/**
+		 * Filter runs inside Sensei_Course::course_lessons function
+		 *
+		 * Returns all lessons for a given course
+		 *
+		 * @param array $lessons
+		 * @param int $course_id
+		 */
+		$lessons = apply_filters( 'sensei_course_get_lessons', $lessons, $course_id  );
+
+		//return the requested fields
+		// runs after the sensei_course_get_lessons filter so the filter always give an array of lesson
+		// objects
+		if( 'ids' == $fields ) {
+			$lesson_objects = $lessons;
+			$lessons = array();
+
+			foreach ($lesson_objects as $lesson) {
+				$lessons[] = $lesson->ID;
+			}
+		}
+
+		return $lessons;
 
 	} // End course_lessons()
 
-    /**
-     * Used for the uasort in $this->course_lessons()
-     * @since 1.8.0
-     * @access protected
-     *
-     * @param array $lesson_1
-     * @param array $lesson_2
-     * @return int
-     */
-    protected function _short_course_lessons_callback( $lesson_1, $lesson_2 ){
+	/**
+	 * Used for the uasort in $this->course_lessons()
+	 * @since 1.8.0
+	 * @access protected
+	 *
+	 * @param array $lesson_1
+	 * @param array $lesson_2
+	 * @return int
+	 */
+	protected function _short_course_lessons_callback( $lesson_1, $lesson_2 ){
 
-        if ( $lesson_1->course_order == $lesson_2->course_order ) {
-            return 0;
-        }
+		if ( $lesson_1->course_order == $lesson_2->course_order ) {
+			return 0;
+		}
 
-        return ($lesson_1->course_order < $lesson_2->course_order) ? -1 : 1;
-    }
+		return ($lesson_1->course_order < $lesson_2->course_order) ? -1 : 1;
+	}
 
 	/**
 	 * Fetch all quiz ids in a course
@@ -1027,15 +1027,15 @@ 
 	 */
 	public function course_author_lesson_count( $author_id = 0, $course_id = 0 ) {
 
-        $lesson_args = array(	'post_type' 		=> 'lesson',
+		$lesson_args = array(	'post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
-		    					'author'         	=> $author_id,
-		    					'meta_key'        	=> '_lesson_course',
-    							'meta_value'      	=> $course_id,
-    	    					'post_status'      	=> 'publish',
-    	    					'suppress_filters' 	=> 0,
+								'author'         	=> $author_id,
+								'meta_key'        	=> '_lesson_course',
+								'meta_value'      	=> $course_id,
+								'post_status'      	=> 'publish',
+								'suppress_filters' 	=> 0,
 								'fields'            => 'ids', // less data to retrieve
-		    				);
+							);
 		$lessons_array = get_posts( $lesson_args );
 		$count = count( $lessons_array );
 		return $count;
@@ -1053,17 +1053,17 @@ 
 
 		$lesson_args = array(	'post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
-		    					'meta_key'        	=> '_lesson_course',
-    							'meta_value'      	=> $course_id,
-    	    					'post_status'      	=> 'publish',
-    	    					'suppress_filters' 	=> 0,
+								'meta_key'        	=> '_lesson_course',
+								'meta_value'      	=> $course_id,
+								'post_status'      	=> 'publish',
+								'suppress_filters' 	=> 0,
 								'fields'            => 'ids', // less data to retrieve
-		    				);
+							);
 		$lessons_array = get_posts( $lesson_args );
 
-        $count = count( $lessons_array );
+		$count = count( $lessons_array );
 
-        return $count;
+		return $count;
 
 	} // End course_lesson_count()
 
@@ -1078,9 +1078,9 @@ 
 
 		$lesson_args = array(	'post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
-    	    					'post_status'      	=> 'publish',
-    	    					'suppress_filters' 	=> 0,
-    	    					'meta_query' => array(
+								'post_status'      	=> 'publish',
+								'suppress_filters' 	=> 0,
+								'meta_query' => array(
 									array(
 										'key' => '_lesson_course',
 										'value' => $course_id
@@ -1091,12 +1091,12 @@ 
 									)
 								),
 								'fields'            => 'ids', // less data to retrieve
-		    				);
+							);
 		$lessons_array = get_posts( $lesson_args );
 
 		$count = count( $lessons_array );
 
-        return $count;
+		return $count;
 
 	} // End course_lesson_count()
 
@@ -1115,8 +1115,8 @@ 
 			$post_args = array(	'post_type' 		=> 'course',
 								'posts_per_page' 		=> -1,
 								'meta_key'        	=> '_course_woocommerce_product',
-	    						'meta_value'      	=> $product_id,
-	    						'post_status'       => 'publish',
+								'meta_value'      	=> $product_id,
+								'post_status'       => 'publish',
 								'suppress_filters' 	=> 0,
 								'orderby' 			=> 'menu_order date',
 								'order' 			=> 'ASC',
@@ -1157,9 +1157,9 @@ 
 
 	/**
 	 * load_user_courses_content generates HTML for user's active & completed courses
-     *
-     * This function also ouputs the html so no need to echo the content.
-     *
+	 *
+	 * This function also ouputs the html so no need to echo the content.
+	 *
 	 * @since  1.4.0
 	 * @param  object  $user   Queried user object
 	 * @param  boolean $manage Whether the user has permission to manage the courses
@@ -1168,17 +1168,17 @@ 
 	public function load_user_courses_content( $user = false ) {
 		global $course, $my_courses_page, $my_courses_section;
 
-        if( ! isset( Sensei()->settings->settings[ 'learner_profile_show_courses' ] )
-            || ! Sensei()->settings->settings[ 'learner_profile_show_courses' ] ) {
+		if( ! isset( Sensei()->settings->settings[ 'learner_profile_show_courses' ] )
+			|| ! Sensei()->settings->settings[ 'learner_profile_show_courses' ] ) {
 
-            // do not show the content if the settings doesn't allow for it
-            return;
+			// do not show the content if the settings doesn't allow for it
+			return;
 
-        }
+		}
 
-        $manage = ( $user->ID == get_current_user_id() ) ? true : false;
+		$manage = ( $user->ID == get_current_user_id() ) ? true : false;
 
-        do_action( 'sensei_before_learner_course_content', $user );
+		do_action( 'sensei_before_learner_course_content', $user );
 
 		// Build Output HTML
 		$complete_html = $active_html = '';
@@ -1193,7 +1193,7 @@ 
 			// Logic for Active and Completed Courses
 			$per_page = 20;
 			if ( isset( Sensei()->settings->settings[ 'my_course_amount' ] )
-                && ( 0 < absint( Sensei()->settings->settings[ 'my_course_amount' ] ) ) ) {
+				&& ( 0 < absint( Sensei()->settings->settings[ 'my_course_amount' ] ) ) ) {
 
 				$per_page = absint( Sensei()->settings->settings[ 'my_course_amount' ] );
 
@@ -1239,111 +1239,111 @@ 
 					}
 				}
 
-			    // Get Course Categories
-			    $category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
+				// Get Course Categories
+				$category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
 
-                $active_html .= '<article class="' . esc_attr( join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) ) . '">';
+				$active_html .= '<article class="' . esc_attr( join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) ) . '">';
 
-                // Image
-                $active_html .= Sensei()->course->course_image( absint( $course_item->ID ), '100','100', true );
+				// Image
+				$active_html .= Sensei()->course->course_image( absint( $course_item->ID ), '100','100', true );
 
-                // Title
-                $active_html .= '<header>';
+				// Title
+				$active_html .= '<header>';
 
-                $active_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
+				$active_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
 
-                $active_html .= '</header>';
+				$active_html .= '</header>';
 
-                $active_html .= '<section class="entry">';
+				$active_html .= '<section class="entry">';
 
-                $active_html .= '<p class="sensei-course-meta">';
+				$active_html .= '<p class="sensei-course-meta">';
 
-                // Author
-                $user_info = get_userdata( absint( $course_item->post_author ) );
-                if ( isset( Sensei()->settings->settings[ 'course_author' ] )
-                    && ( Sensei()->settings->settings[ 'course_author' ] ) ) {
+				// Author
+				$user_info = get_userdata( absint( $course_item->post_author ) );
+				if ( isset( Sensei()->settings->settings[ 'course_author' ] )
+					&& ( Sensei()->settings->settings[ 'course_author' ] ) ) {
 
-                    $active_html .= '<span class="course-author">'
-                        . __( 'by ', 'woothemes-sensei' )
-                        . '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) )
-                        . '" title="' . esc_attr( $user_info->display_name ) . '">'
-                        . esc_html( $user_info->display_name )
-                        . '</a></span>';
+					$active_html .= '<span class="course-author">'
+						. __( 'by ', 'woothemes-sensei' )
+						. '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) )
+						. '" title="' . esc_attr( $user_info->display_name ) . '">'
+						. esc_html( $user_info->display_name )
+						. '</a></span>';
 
-                } // End If Statement
+				} // End If Statement
 
-                // Lesson count for this author
-                $lesson_count = Sensei()->course->course_lesson_count( absint( $course_item->ID ) );
-                // Handle Division by Zero
-                if ( 0 == $lesson_count ) {
+				// Lesson count for this author
+				$lesson_count = Sensei()->course->course_lesson_count( absint( $course_item->ID ) );
+				// Handle Division by Zero
+				if ( 0 == $lesson_count ) {
 
-                    $lesson_count = 1;
+					$lesson_count = 1;
 
-                } // End If Statement
-                $active_html .= '<span class="course-lesson-count">' . $lesson_count . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' ) . '</span>';
-                // Course Categories
-                if ( '' != $category_output ) {
+				} // End If Statement
+				$active_html .= '<span class="course-lesson-count">' . $lesson_count . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' ) . '</span>';
+				// Course Categories
+				if ( '' != $category_output ) {
 
-                    $active_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
+					$active_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
 
-                } // End If Statement
-                $active_html .= '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $lessons_completed, $lesson_count  ) . '</span>';
+				} // End If Statement
+				$active_html .= '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $lessons_completed, $lesson_count  ) . '</span>';
 
-                $active_html .= '</p>';
+				$active_html .= '</p>';
 
-                $active_html .= '<p class="course-excerpt">' . $course_item->post_excerpt . '</p>';
+				$active_html .= '<p class="course-excerpt">' . $course_item->post_excerpt . '</p>';
 
 
 
-                $progress_percentage = abs( round( ( doubleval( $lessons_completed ) * 100 ) / ( $lesson_count ), 0 ) );
+				$progress_percentage = abs( round( ( doubleval( $lessons_completed ) * 100 ) / ( $lesson_count ), 0 ) );
 
-                $active_html .= $this->get_progress_meter( $progress_percentage );
+				$active_html .= $this->get_progress_meter( $progress_percentage );
 
-                $active_html .= '</section>';
+				$active_html .= '</section>';
 
-                if( is_user_logged_in() ) {
+				if( is_user_logged_in() ) {
 
-                    $active_html .= '<section class="entry-actions">';
+					$active_html .= '<section class="entry-actions">';
 
-                    $active_html .= '<form method="POST" action="' . esc_url( remove_query_arg( array( 'active_page', 'completed_page' ) ) ) . '">';
+					$active_html .= '<form method="POST" action="' . esc_url( remove_query_arg( array( 'active_page', 'completed_page' ) ) ) . '">';
 
-                    $active_html .= '<input type="hidden" name="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" id="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" value="' . esc_attr( wp_create_nonce( 'woothemes_sensei_complete_course_noonce' ) ) . '" />';
+					$active_html .= '<input type="hidden" name="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" id="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" value="' . esc_attr( wp_create_nonce( 'woothemes_sensei_complete_course_noonce' ) ) . '" />';
 
-                    $active_html .= '<input type="hidden" name="course_complete_id" id="course-complete-id" value="' . esc_attr( absint( $course_item->ID ) ) . '" />';
+					$active_html .= '<input type="hidden" name="course_complete_id" id="course-complete-id" value="' . esc_attr( absint( $course_item->ID ) ) . '" />';
 
-                    if ( 0 < absint( count( $course_lessons ) ) && Sensei()->settings->settings['course_completion'] == 'complete' ) {
+					if ( 0 < absint( count( $course_lessons ) ) && Sensei()->settings->settings['course_completion'] == 'complete' ) {
 
-                        $active_html .= '<span><input name="course_complete" type="submit" class="course-complete" value="'
-                            .  __( 'Mark as Complete', 'woothemes-sensei' ) . '"/> </span>';
+						$active_html .= '<span><input name="course_complete" type="submit" class="course-complete" value="'
+							.  __( 'Mark as Complete', 'woothemes-sensei' ) . '"/> </span>';
 
-                    } // End If Statement
+					} // End If Statement
 
-                    $course_purchased = false;
-                    if ( Sensei_WC::is_woocommerce_active() ) {
+					$course_purchased = false;
+					if ( Sensei_WC::is_woocommerce_active() ) {
 
-                        // Get the product ID
-                        $wc_post_id = get_post_meta( absint( $course_item->ID ), '_course_woocommerce_product', true );
-                        if ( 0 < $wc_post_id ) {
+						// Get the product ID
+						$wc_post_id = get_post_meta( absint( $course_item->ID ), '_course_woocommerce_product', true );
+						if ( 0 < $wc_post_id ) {
 
-                            $course_purchased = Sensei_WC::has_customer_bought_product(  $user->ID, $wc_post_id );
+							$course_purchased = Sensei_WC::has_customer_bought_product(  $user->ID, $wc_post_id );
 
-                        } // End If Statement
+						} // End If Statement
 
-                    } // End If Statement
+					} // End If Statement
 
-                    if ( false == $course_purchased ) {
+					if ( false == $course_purchased ) {
 
-                        $active_html .= '<span><input name="course_complete" type="submit" class="course-delete" value="'
-                            .  __( 'Delete Course', 'woothemes-sensei' ) . '"/></span>';
+						$active_html .= '<span><input name="course_complete" type="submit" class="course-delete" value="'
+							.  __( 'Delete Course', 'woothemes-sensei' ) . '"/></span>';
 
-                    } // End If Statement
+					} // End If Statement
 
-                    $active_html .= '</form>';
+					$active_html .= '</form>';
 
-                    $active_html .= '</section>';
-                }
+					$active_html .= '</section>';
+				}
 
-                $active_html .= '</article>';
+				$active_html .= '</article>';
 			}
 
 			// Active pagination
@@ -1383,49 +1383,49 @@ 
 			foreach ( $completed_courses as $course_item ) {
 				$course = $course_item;
 
-			    // Get Course Categories
-			    $category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
+				// Get Course Categories
+				$category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
 
-		    	$complete_html .= '<article class="' . join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) . '">';
+				$complete_html .= '<article class="' . join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) . '">';
 
-		    	    // Image
-		    		$complete_html .= Sensei()->course->course_image( absint( $course_item->ID ),100, 100, true );
+					// Image
+					$complete_html .= Sensei()->course->course_image( absint( $course_item->ID ),100, 100, true );
 
-		    		// Title
-		    		$complete_html .= '<header>';
+					// Title
+					$complete_html .= '<header>';
 
-		    		    $complete_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
+						$complete_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
 
-		    		$complete_html .= '</header>';
+					$complete_html .= '</header>';
 
-		    		$complete_html .= '<section class="entry">';
+					$complete_html .= '<section class="entry">';
 
-		    			$complete_html .= '<p class="sensei-course-meta">';
+						$complete_html .= '<p class="sensei-course-meta">';
 
-		    		    	// Author
-		    		    	$user_info = get_userdata( absint( $course_item->post_author ) );
-		    		    	if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {
-		    		    		$complete_html .= '<span class="course-author">' . __( 'by ', 'woothemes-sensei' ) . '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) ) . '" title="' . esc_attr( $user_info->display_name ) . '">' . esc_html( $user_info->display_name ) . '</a></span>';
-		    		    	} // End If Statement
+							// Author
+							$user_info = get_userdata( absint( $course_item->post_author ) );
+							if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {
+								$complete_html .= '<span class="course-author">' . __( 'by ', 'woothemes-sensei' ) . '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) ) . '" title="' . esc_attr( $user_info->display_name ) . '">' . esc_html( $user_info->display_name ) . '</a></span>';
+							} // End If Statement
 
-		    		    	// Lesson count for this author
-		    		    	$complete_html .= '<span class="course-lesson-count">'
-                                . Sensei()->course->course_lesson_count( absint( $course_item->ID ) )
-                                . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' )
-                                . '</span>';
+							// Lesson count for this author
+							$complete_html .= '<span class="course-lesson-count">'
+								. Sensei()->course->course_lesson_count( absint( $course_item->ID ) )
+								. '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' )
+								. '</span>';
 
-		    		    	// Course Categories
-		    		    	if ( '' != $category_output ) {
+							// Course Categories
+							if ( '' != $category_output ) {
 
-		    		    		$complete_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
+								$complete_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
 
-		    		    	} // End If Statement
+							} // End If Statement
 
 						$complete_html .= '</p>';
 
 						$complete_html .= '<p class="course-excerpt">' . $course_item->post_excerpt . '</p>';
 
-                        $complete_html .= $this->get_progress_meter( 100 );
+						$complete_html .= $this->get_progress_meter( 100 );
 
 						if( $manage ) {
 							$has_quizzes = Sensei()->course->course_quizzes( $course_item->ID, true );
@@ -1438,9 +1438,9 @@ 
 								if( $has_quizzes ) {
 
 									$results_link = '<a class="button view-results" href="'
-                                        . Sensei()->course_results->get_permalink( $course_item->ID )
-                                        . '">' . __( 'View results', 'woothemes-sensei' )
-                                        . '</a>';
+										. Sensei()->course_results->get_permalink( $course_item->ID )
+										. '">' . __( 'View results', 'woothemes-sensei' )
+										. '</a>';
 								}
 								$complete_html .= apply_filters( 'sensei_results_links', $results_link );
 								$complete_html .= '</p>';
@@ -1448,9 +1448,9 @@ 
 							}
 						}
 
-		    		$complete_html .= '</section>';
+					$complete_html .= '</section>';
 
-		    	$complete_html .= '</article>';
+				$complete_html .= '</article>';
 			}
 
 			// Active pagination
@@ -1525,16 +1525,16 @@ 
 		    <?php do_action( 'sensei_before_active_user_courses' ); ?>
 
 		    <?php
-            $course_page_url = Sensei_Course::get_courses_page_url();
-            ?>
+			$course_page_url = Sensei_Course::get_courses_page_url();
+			?>
 
 		    <div id="active-courses">
 
 		    	<?php if ( '' != $active_html ) {
 
-		    		echo $active_html;
+					echo $active_html;
 
-		    	} else { ?>
+				} else { ?>
 
 		    		<div class="sensei-message info">
 
@@ -1560,9 +1560,9 @@ 
 
 		    	<?php if ( '' != $complete_html ) {
 
-		    		echo $complete_html;
+					echo $complete_html;
 
-		    	} else { ?>
+				} else { ?>
 
 		    		<div class="sensei-message info">
 
@@ -1581,355 +1581,355 @@ 
 		<?php do_action( 'sensei_after_user_courses' ); ?>
 
 		<?php
-        echo ob_get_clean();
+		echo ob_get_clean();
 
-        do_action( 'sensei_after_learner_course_content', $user );
+		do_action( 'sensei_after_learner_course_content', $user );
 
 	} // end load_user_courses_content
 
-    /**
-     * Returns a list of all courses
-     *
-     * @since 1.8.0
-     * @return array $courses{
-     *  @type $course WP_Post
-     * }
-     */
-    public static function get_all_courses(){
-
-        $args = array(
-               'post_type' => 'course',
-                'posts_per_page' 		=> -1,
-                'orderby'         	=> 'title',
-                'order'           	=> 'ASC',
-                'post_status'      	=> 'any',
-                'suppress_filters' 	=> 0,
-        );
-
-        $wp_query_obj =  new WP_Query( $args );
-
-        /**
-         * sensei_get_all_courses filter
-         *
-         * This filter runs inside Sensei_Course::get_all_courses.
-         *
-         * @param array $courses{
-         *  @type WP_Post
-         * }
-         * @param array $attributes
-         */
-        return apply_filters( 'sensei_get_all_courses' , $wp_query_obj->posts );
-
-    }// end get_all_courses
-
-    /**
-     * Generate the course meter component
-     *
-     * @since 1.8.0
-     * @param int $progress_percentage 0 - 100
-     * @return string $progress_bar_html
-     */
-    public function get_progress_meter( $progress_percentage ){
-
-        if ( 50 < $progress_percentage ) {
-            $class = ' green';
-        } elseif ( 25 <= $progress_percentage && 50 >= $progress_percentage ) {
-            $class = ' orange';
-        } else {
-            $class = ' red';
-        }
-        $progress_bar_html = '<div class="meter' . esc_attr( $class ) . '"><span style="width: ' . $progress_percentage . '%">' . round( $progress_percentage ) . '%</span></div>';
-
-        return $progress_bar_html;
-
-    }// end get_progress_meter
-
-    /**
-     * Generate a statement that tells users
-     * how far they are in the course.
-     *
-     * @param int $course_id
-     * @param int $user_id
-     *
-     * @return string $statement_html
-     */
-    public function get_progress_statement( $course_id, $user_id ){
-
-        if( empty( $course_id ) || empty( $user_id )
-        || ! Sensei_Utils::user_started_course( $course_id, $user_id ) ){
-            return '';
-        }
-
-        $completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
-        $total_lessons = count( $this->course_lessons( $course_id ) );
-
-        $statement = sprintf( _n('Currently completed %s lesson of %s in total', 'Currently completed %s lessons of %s in total', $completed, 'woothemes-sensei'), $completed, $total_lessons );
-
-        /**
-         * Filter the course completion statement.
-         * Default Currently completed $var lesson($plural) of $var in total
-         *
-         * @param string $statement
-         */
-        return apply_filters( 'sensei_course_completion_statement', $statement );
-
-    }// end generate_progress_statement
-
-    /**
-     * Output the course progress statement
-     *
-     * @param $course_id
-     * @return void
-     */
-    public function the_progress_statement( $course_id = 0, $user_id = 0 ){
-        if( empty( $course_id ) ){
-            global $post;
-            $course_id = $post->ID;
-        }
-
-        if( empty( $user_id ) ){
-            $user_id = get_current_user_id();
-        }
-
-        echo '<span class="progress statement  course-completion-rate">' . $this->get_progress_statement( $course_id, $user_id  ) . '</span>';
-    }
-
-    /**
-     * Output the course progress bar
-     *
-     * @param $course_id
-     * @return void
-     */
-    public function the_progress_meter( $course_id = 0, $user_id = 0 ){
-
-        if( empty( $course_id ) ){
-            global $post;
-            $course_id = $post->ID;
-        }
-
-        if( empty( $user_id ) ){
-            $user_id = get_current_user_id();
-        }
-
-        if( 'course' != get_post_type( $course_id ) || ! get_userdata( $user_id )
-            || ! Sensei_Utils::user_started_course( $course_id ,$user_id ) ){
-            return;
-        }
-        $percentage_completed = $this->get_completion_percentage( $course_id, $user_id );
-
-        echo $this->get_progress_meter( $percentage_completed );
-
-    }// end the_progress_meter
-
-    /**
-     * Checks how many lessons are completed
-     *
-     * @since 1.8.0
-     *
-     * @param int $course_id
-     * @param int $user_id
-     * @return array $completed_lesson_ids
-     */
-    public function get_completed_lesson_ids( $course_id, $user_id = 0 ){
-
-        if( !( intval( $user_id ) ) > 0 ){
-            $user_id = get_current_user_id();
-        }
+	/**
+	 * Returns a list of all courses
+	 *
+	 * @since 1.8.0
+	 * @return array $courses{
+	 *  @type $course WP_Post
+	 * }
+	 */
+	public static function get_all_courses(){
+
+		$args = array(
+			   'post_type' => 'course',
+				'posts_per_page' 		=> -1,
+				'orderby'         	=> 'title',
+				'order'           	=> 'ASC',
+				'post_status'      	=> 'any',
+				'suppress_filters' 	=> 0,
+		);
+
+		$wp_query_obj =  new WP_Query( $args );
+
+		/**
+		 * sensei_get_all_courses filter
+		 *
+		 * This filter runs inside Sensei_Course::get_all_courses.
+		 *
+		 * @param array $courses{
+		 *  @type WP_Post
+		 * }
+		 * @param array $attributes
+		 */
+		return apply_filters( 'sensei_get_all_courses' , $wp_query_obj->posts );
+
+	}// end get_all_courses
 
-        $completed_lesson_ids = array();
+	/**
+	 * Generate the course meter component
+	 *
+	 * @since 1.8.0
+	 * @param int $progress_percentage 0 - 100
+	 * @return string $progress_bar_html
+	 */
+	public function get_progress_meter( $progress_percentage ){
 
-        $course_lessons = $this->course_lessons( $course_id );
+		if ( 50 < $progress_percentage ) {
+			$class = ' green';
+		} elseif ( 25 <= $progress_percentage && 50 >= $progress_percentage ) {
+			$class = ' orange';
+		} else {
+			$class = ' red';
+		}
+		$progress_bar_html = '<div class="meter' . esc_attr( $class ) . '"><span style="width: ' . $progress_percentage . '%">' . round( $progress_percentage ) . '%</span></div>';
 
-        foreach( $course_lessons as $lesson ){
+		return $progress_bar_html;
 
-            $is_lesson_completed = Sensei_Utils::user_completed_lesson( $lesson->ID, $user_id );
-            if( $is_lesson_completed ){
-                $completed_lesson_ids[] = $lesson->ID;
-            }
-
-        }
-
-        return $completed_lesson_ids;
+	}// end get_progress_meter
 
-    }// end get_completed_lesson_ids
+	/**
+	 * Generate a statement that tells users
+	 * how far they are in the course.
+	 *
+	 * @param int $course_id
+	 * @param int $user_id
+	 *
+	 * @return string $statement_html
+	 */
+	public function get_progress_statement( $course_id, $user_id ){
 
-    /**
-     * Calculate the perceantage completed in the course
-     *
-     * @since 1.8.0
-     *
-     * @param int $course_id
-     * @param int $user_id
-     * @return int $percentage
-     */
-    public function get_completion_percentage( $course_id, $user_id = 0 ){
-
-        if( !( intval( $user_id ) ) > 0 ){
-            $user_id = get_current_user_id();
-        }
-
-        $completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
-
-        if( ! (  $completed  > 0 ) ){
-            return 0;
-        }
-
-        $total_lessons = count( $this->course_lessons( $course_id ) );
-        $percentage = $completed / $total_lessons * 100;
-
-        /**
-         *
-         * Filter the percentage returned for a users course.
-         *
-         * @param $percentage
-         * @param $course_id
-         * @param $user_id
-         * @since 1.8.0
-         */
-        return apply_filters( 'sensei_course_completion_percentage', $percentage, $course_id, $user_id );
+		if( empty( $course_id ) || empty( $user_id )
+		|| ! Sensei_Utils::user_started_course( $course_id, $user_id ) ){
+			return '';
+		}
 
-    }// end get_completed_lesson_ids
+		$completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
+		$total_lessons = count( $this->course_lessons( $course_id ) );
 
-    /**
-     * Block email notifications for the specific courses
-     * that the user disabled the notifications.
-     *
-     * @since 1.8.0
-     * @param $should_send
-     * @return bool
-     */
-    public function block_notification_emails( $should_send ){
-        global $sensei_email_data;
-        $email = $sensei_email_data;
+		$statement = sprintf( _n('Currently completed %s lesson of %s in total', 'Currently completed %s lessons of %s in total', $completed, 'woothemes-sensei'), $completed, $total_lessons );
 
-        $course_id = '';
+		/**
+		 * Filter the course completion statement.
+		 * Default Currently completed $var lesson($plural) of $var in total
+		 *
+		 * @param string $statement
+		 */
+		return apply_filters( 'sensei_course_completion_statement', $statement );
 
-        if( isset( $email['course_id'] ) ){
+	}// end generate_progress_statement
 
-            $course_id = $email['course_id'];
-
-        }elseif( isset( $email['lesson_id'] ) ){
+	/**
+	 * Output the course progress statement
+	 *
+	 * @param $course_id
+	 * @return void
+	 */
+	public function the_progress_statement( $course_id = 0, $user_id = 0 ){
+		if( empty( $course_id ) ){
+			global $post;
+			$course_id = $post->ID;
+		}
 
-            $course_id = Sensei()->lesson->get_course_id( $email['lesson_id'] );
+		if( empty( $user_id ) ){
+			$user_id = get_current_user_id();
+		}
 
-        }elseif( isset( $email['quiz_id'] ) ){
+		echo '<span class="progress statement  course-completion-rate">' . $this->get_progress_statement( $course_id, $user_id  ) . '</span>';
+	}
+
+	/**
+	 * Output the course progress bar
+	 *
+	 * @param $course_id
+	 * @return void
+	 */
+	public function the_progress_meter( $course_id = 0, $user_id = 0 ){
+
+		if( empty( $course_id ) ){
+			global $post;
+			$course_id = $post->ID;
+		}
+
+		if( empty( $user_id ) ){
+			$user_id = get_current_user_id();
+		}
 
-            $lesson_id = Sensei()->quiz->get_lesson_id( $email['quiz_id'] );
-            $course_id = Sensei()->lesson->get_course_id( $lesson_id );
+		if( 'course' != get_post_type( $course_id ) || ! get_userdata( $user_id )
+			|| ! Sensei_Utils::user_started_course( $course_id ,$user_id ) ){
+			return;
+		}
+		$percentage_completed = $this->get_completion_percentage( $course_id, $user_id );
 
-        }
+		echo $this->get_progress_meter( $percentage_completed );
+
+	}// end the_progress_meter
+
+	/**
+	 * Checks how many lessons are completed
+	 *
+	 * @since 1.8.0
+	 *
+	 * @param int $course_id
+	 * @param int $user_id
+	 * @return array $completed_lesson_ids
+	 */
+	public function get_completed_lesson_ids( $course_id, $user_id = 0 ){
+
+		if( !( intval( $user_id ) ) > 0 ){
+			$user_id = get_current_user_id();
+		}
+
+		$completed_lesson_ids = array();
+
+		$course_lessons = $this->course_lessons( $course_id );
+
+		foreach( $course_lessons as $lesson ){
+
+			$is_lesson_completed = Sensei_Utils::user_completed_lesson( $lesson->ID, $user_id );
+			if( $is_lesson_completed ){
+				$completed_lesson_ids[] = $lesson->ID;
+			}
+
+		}
 
-        if( !empty( $course_id ) && 'course'== get_post_type( $course_id ) ) {
-
-            $course_emails_disabled = get_post_meta($course_id, 'disable_notification', true);
-
-            if ($course_emails_disabled) {
-
-                return false;
-
-            }
-
-        }// end if
-
-        return $should_send;
-    }// end block_notification_emails
-
-    /**
-     * Render the course notification setting meta box
-     *
-     * @since 1.8.0
-     * @param $course
-     */
-    public function course_notification_meta_box_content( $course ){
-
-        $checked = get_post_meta( $course->ID , 'disable_notification', true );
-
-        // generate checked html
-        $checked_html = '';
-        if( $checked ){
-            $checked_html = 'checked="checked"';
-        }
-        wp_nonce_field( 'update-course-notification-setting','_sensei_course_notification' );
-
-        echo '<input id="disable_sensei_course_notification" '.$checked_html .' type="checkbox" name="disable_sensei_course_notification" >';
-        echo '<label for="disable_sensei_course_notification">'.__('Disable notifications on this course ?', 'woothemes-sensei'). '</label>';
-
-    }// end course_notification_meta_box_content
-
-    /**
-     * Store the setting for the course notification setting.
-     *
-     * @hooked int save_post
-     * @since 1.8.0
-     *
-     * @param $course_id
-     */
-    public function save_course_notification_meta_box( $course_id ){
-
-        if( !isset( $_POST['_sensei_course_notification']  )
-            || ! wp_verify_nonce( $_POST['_sensei_course_notification'], 'update-course-notification-setting' ) ){
-            return;
-        }
-
-        if( isset( $_POST['disable_sensei_course_notification'] ) && 'on'== $_POST['disable_sensei_course_notification']  ) {
-            $new_val = true;
-        }else{
-            $new_val = false;
-        }
-
-       update_post_meta( $course_id , 'disable_notification', $new_val );
-
-    }// end save notification meta box
-
-    /**
-     * Backwards compatibility hooks added to ensure that
-     * plugins and other parts of sensei still works.
-     *
-     * This function hooks into `sensei_course_content_inside_before`
-     *
-     * @since 1.9
-     *
-     * @param WP_Post $post
-     */
-    public function content_before_backwards_compatibility_hooks( $post ){
-
-        sensei_do_deprecated_action( 'sensei_course_image','1.9.0','sensei_course_content_inside_before' );
-        sensei_do_deprecated_action( 'sensei_course_archive_course_title','1.9.0','sensei_course_content_inside_before' );
+		return $completed_lesson_ids;
 
-    }
+	}// end get_completed_lesson_ids
 
-    /**
-     * Backwards compatibility hooks that should be hooked into sensei_loop_course_before
-     *
-     * hooked into 'sensei_loop_course_before'
-     *
-     * @since 1.9
-     *
-     * @global WP_Post $post
-     */
-    public  function loop_before_backwards_compatibility_hooks( ){
-
-        global $post;
-        sensei_do_deprecated_action( 'sensei_course_archive_header','1.9.0','sensei_course_content_inside_before', $post->post_type  );
-
-    }
-
-    /**
-     * Output a link to view course. The button text is different depending on the amount of preview lesson available.
-     *
-     * hooked into 'sensei_course_content_inside_after'
-     *
-     * @since 1.9.0
-     *
-     * @param WP_Post $course
-     */
-    public function the_course_free_lesson_preview( $course ){
-        // Meta data
-        $preview_lesson_count = intval( Sensei()->course->course_lesson_preview_count( $course->ID ) );
-        $is_user_taking_course = Sensei_Utils::user_started_course( $course->ID, get_current_user_id() );
-
-        if ( 0 < $preview_lesson_count && !$is_user_taking_course ) {
-            ?>
+	/**
+	 * Calculate the perceantage completed in the course
+	 *
+	 * @since 1.8.0
+	 *
+	 * @param int $course_id
+	 * @param int $user_id
+	 * @return int $percentage
+	 */
+	public function get_completion_percentage( $course_id, $user_id = 0 ){
+
+		if( !( intval( $user_id ) ) > 0 ){
+			$user_id = get_current_user_id();
+		}
+
+		$completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
+
+		if( ! (  $completed  > 0 ) ){
+			return 0;
+		}
+
+		$total_lessons = count( $this->course_lessons( $course_id ) );
+		$percentage = $completed / $total_lessons * 100;
+
+		/**
+		 *
+		 * Filter the percentage returned for a users course.
+		 *
+		 * @param $percentage
+		 * @param $course_id
+		 * @param $user_id
+		 * @since 1.8.0
+		 */
+		return apply_filters( 'sensei_course_completion_percentage', $percentage, $course_id, $user_id );
+
+	}// end get_completed_lesson_ids
+
+	/**
+	 * Block email notifications for the specific courses
+	 * that the user disabled the notifications.
+	 *
+	 * @since 1.8.0
+	 * @param $should_send
+	 * @return bool
+	 */
+	public function block_notification_emails( $should_send ){
+		global $sensei_email_data;
+		$email = $sensei_email_data;
+
+		$course_id = '';
+
+		if( isset( $email['course_id'] ) ){
+
+			$course_id = $email['course_id'];
+
+		}elseif( isset( $email['lesson_id'] ) ){
+
+			$course_id = Sensei()->lesson->get_course_id( $email['lesson_id'] );
+
+		}elseif( isset( $email['quiz_id'] ) ){
+
+			$lesson_id = Sensei()->quiz->get_lesson_id( $email['quiz_id'] );
+			$course_id = Sensei()->lesson->get_course_id( $lesson_id );
+
+		}
+
+		if( !empty( $course_id ) && 'course'== get_post_type( $course_id ) ) {
+
+			$course_emails_disabled = get_post_meta($course_id, 'disable_notification', true);
+
+			if ($course_emails_disabled) {
+
+				return false;
+
+			}
+
+		}// end if
+
+		return $should_send;
+	}// end block_notification_emails
+
+	/**
+	 * Render the course notification setting meta box
+	 *
+	 * @since 1.8.0
+	 * @param $course
+	 */
+	public function course_notification_meta_box_content( $course ){
+
+		$checked = get_post_meta( $course->ID , 'disable_notification', true );
+
+		// generate checked html
+		$checked_html = '';
+		if( $checked ){
+			$checked_html = 'checked="checked"';
+		}
+		wp_nonce_field( 'update-course-notification-setting','_sensei_course_notification' );
+
+		echo '<input id="disable_sensei_course_notification" '.$checked_html .' type="checkbox" name="disable_sensei_course_notification" >';
+		echo '<label for="disable_sensei_course_notification">'.__('Disable notifications on this course ?', 'woothemes-sensei'). '</label>';
+
+	}// end course_notification_meta_box_content
+
+	/**
+	 * Store the setting for the course notification setting.
+	 *
+	 * @hooked int save_post
+	 * @since 1.8.0
+	 *
+	 * @param $course_id
+	 */
+	public function save_course_notification_meta_box( $course_id ){
+
+		if( !isset( $_POST['_sensei_course_notification']  )
+			|| ! wp_verify_nonce( $_POST['_sensei_course_notification'], 'update-course-notification-setting' ) ){
+			return;
+		}
+
+		if( isset( $_POST['disable_sensei_course_notification'] ) && 'on'== $_POST['disable_sensei_course_notification']  ) {
+			$new_val = true;
+		}else{
+			$new_val = false;
+		}
+
+	   update_post_meta( $course_id , 'disable_notification', $new_val );
+
+	}// end save notification meta box
+
+	/**
+	 * Backwards compatibility hooks added to ensure that
+	 * plugins and other parts of sensei still works.
+	 *
+	 * This function hooks into `sensei_course_content_inside_before`
+	 *
+	 * @since 1.9
+	 *
+	 * @param WP_Post $post
+	 */
+	public function content_before_backwards_compatibility_hooks( $post ){
+
+		sensei_do_deprecated_action( 'sensei_course_image','1.9.0','sensei_course_content_inside_before' );
+		sensei_do_deprecated_action( 'sensei_course_archive_course_title','1.9.0','sensei_course_content_inside_before' );
+
+	}
+
+	/**
+	 * Backwards compatibility hooks that should be hooked into sensei_loop_course_before
+	 *
+	 * hooked into 'sensei_loop_course_before'
+	 *
+	 * @since 1.9
+	 *
+	 * @global WP_Post $post
+	 */
+	public  function loop_before_backwards_compatibility_hooks( ){
+
+		global $post;
+		sensei_do_deprecated_action( 'sensei_course_archive_header','1.9.0','sensei_course_content_inside_before', $post->post_type  );
+
+	}
+
+	/**
+	 * Output a link to view course. The button text is different depending on the amount of preview lesson available.
+	 *
+	 * hooked into 'sensei_course_content_inside_after'
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param WP_Post $course
+	 */
+	public function the_course_free_lesson_preview( $course ){
+		// Meta data
+		$preview_lesson_count = intval( Sensei()->course->course_lesson_preview_count( $course->ID ) );
+		$is_user_taking_course = Sensei_Utils::user_started_course( $course->ID, get_current_user_id() );
+
+		if ( 0 < $preview_lesson_count && !$is_user_taking_course ) {
+			?>
             <p class="sensei-free-lessons">
                 <a href="<?php echo get_permalink(); ?>">
                     <?php _e( 'Preview this course', 'woothemes-sensei' ) ?>
@@ -1938,22 +1938,22 @@ 
             </p>
 
         <?php
-        }
-    }
+		}
+	}
 
-    /**
-     * Add course mata to the course meta hook
-     *
-     * @since 1.9.0
-     * @param WP_Post $course
-     */
-    public function the_course_meta( $course ){
-        echo '<p class="sensei-course-meta">';
+	/**
+	 * Add course mata to the course meta hook
+	 *
+	 * @since 1.9.0
+	 * @param WP_Post $course
+	 */
+	public function the_course_meta( $course ){
+		echo '<p class="sensei-course-meta">';
 
-        $category_output = get_the_term_list( $course->ID, 'course-category', '', ', ', '' );
-        $author_display_name = get_the_author_meta( 'display_name', $course->post_author  );
+		$category_output = get_the_term_list( $course->ID, 'course-category', '', ', ', '' );
+		$author_display_name = get_the_author_meta( 'display_name', $course->post_author  );
 
-        if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {?>
+		if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {?>
 
             <span class="course-author"><?php _e( 'by ', 'woothemes-sensei' ); ?>
 
@@ -1971,59 +1971,59 @@ 
 
         <?php } // End If Statement
 
-        // number of completed lessons
-        if( is_user_logged_in() ){
-            $completed = count( $this->get_completed_lesson_ids( $course->ID, get_current_user_id() ) );
-            $lesson_count = count( $this->course_lessons( $course->ID ) );
-            echo '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $completed, $lesson_count  ) . '</span>';
-        }
+		// number of completed lessons
+		if( is_user_logged_in() ){
+			$completed = count( $this->get_completed_lesson_ids( $course->ID, get_current_user_id() ) );
+			$lesson_count = count( $this->course_lessons( $course->ID ) );
+			echo '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $completed, $lesson_count  ) . '</span>';
+		}
 
-        sensei_simple_course_price( $course->ID );
+		sensei_simple_course_price( $course->ID );
 
-        echo '</p>';
-    } // end the course meta
+		echo '</p>';
+	} // end the course meta
 
-    /**
-     * Filter the classes attached to a post types for courses
-     * and add a status class for when the user is logged in.
-     *
-     * @param $classes
-     * @param $class
-     * @param $post_id
-     *
-     * @return array $classes
-     */
-    public static function add_course_user_status_class( $classes, $class, $course_id ){
+	/**
+	 * Filter the classes attached to a post types for courses
+	 * and add a status class for when the user is logged in.
+	 *
+	 * @param $classes
+	 * @param $class
+	 * @param $post_id
+	 *
+	 * @return array $classes
+	 */
+	public static function add_course_user_status_class( $classes, $class, $course_id ){
 
-        if( 'course' == get_post_type( $course_id )  &&  is_user_logged_in() ){
+		if( 'course' == get_post_type( $course_id )  &&  is_user_logged_in() ){
 
-            if( Sensei_Utils::user_completed_course( $course_id, get_current_user_id() ) ){
+			if( Sensei_Utils::user_completed_course( $course_id, get_current_user_id() ) ){
 
-                $classes[] = 'user-status-completed';
+				$classes[] = 'user-status-completed';
 
-            }else{
+			}else{
 
-                $classes[] = 'user-status-active';
+				$classes[] = 'user-status-active';
 
-            }
+			}
 
-        }
+		}
 
-        return $classes;
+		return $classes;
 
-    }// end add_course_user_status_class
+	}// end add_course_user_status_class
 
-    /**
-     * Prints out the course action buttons links
-     *
-     * - complete course
-     * - delete course
-     *
-     * @param WP_Post $course
-     */
-    public static function the_course_action_buttons( $course ){
+	/**
+	 * Prints out the course action buttons links
+	 *
+	 * - complete course
+	 * - delete course
+	 *
+	 * @param WP_Post $course
+	 */
+	public static function the_course_action_buttons( $course ){
 
-        if( is_user_logged_in() ) { ?>
+		if( is_user_logged_in() ) { ?>
 
             <section class="entry-actions">
                 <form method="POST" action="<?php  echo esc_url( remove_query_arg( array( 'active_page', 'completed_page' ) ) ); ?>">
@@ -2042,32 +2042,32 @@ 
 
                    <?php  } // End If Statement
 
-                    $course_purchased = false;
-                    if ( Sensei_WC::is_woocommerce_active() ) {
-                        // Get the product ID
-                        $wc_post_id = get_post_meta( intval( $course->ID ), '_course_woocommerce_product', true );
-                        if ( 0 < $wc_post_id ) {
+					$course_purchased = false;
+					if ( Sensei_WC::is_woocommerce_active() ) {
+						// Get the product ID
+						$wc_post_id = get_post_meta( intval( $course->ID ), '_course_woocommerce_product', true );
+						if ( 0 < $wc_post_id ) {
 
-                            $user = wp_get_current_user();
-                            $course_purchased = Sensei_Utils::sensei_customer_bought_product( $user->user_email, $user->ID, $wc_post_id );
+							$user = wp_get_current_user();
+							$course_purchased = Sensei_Utils::sensei_customer_bought_product( $user->user_email, $user->ID, $wc_post_id );
 
-                        } // End If Statement
-                    } // End If Statement
+						} // End If Statement
+					} // End If Statement
 
-                    if ( ! $course_purchased && ! Sensei_Utils::user_completed_course( $course->ID, get_current_user_id() ) ) {?>
+					if ( ! $course_purchased && ! Sensei_Utils::user_completed_course( $course->ID, get_current_user_id() ) ) {?>
 
                         <span><input name="course_complete" type="submit" class="course-delete" value="<?php echo __( 'Delete Course', 'woothemes-sensei' ); ?>"/></span>
 
                     <?php } // End If Statement
 
-                    $has_quizzes = Sensei()->course->course_quizzes( $course->ID, true );
-                    $results_link = '';
-                    if( $has_quizzes ){
-                        $results_link = '<a class="button view-results" href="' . Sensei()->course_results->get_permalink( $course->ID ) . '">' . __( 'View results', 'woothemes-sensei' ) . '</a>';
-                    }
+					$has_quizzes = Sensei()->course->course_quizzes( $course->ID, true );
+					$results_link = '';
+					if( $has_quizzes ){
+						$results_link = '<a class="button view-results" href="' . Sensei()->course_results->get_permalink( $course->ID ) . '">' . __( 'View results', 'woothemes-sensei' ) . '</a>';
+					}
 
-                    // Output only if there is content to display
-                    if ( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
+					// Output only if there is content to display
+					if ( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
 
                         <p class="sensei-results-links">
                             <?php echo apply_filters( 'sensei_results_links', $results_link ); ?>
@@ -2079,440 +2079,440 @@ 
 
         <?php  }// end if is user logged in
 
-    }// end the_course_action_buttons
-
-    /**
-     * This function alter the main query on the course archive page.
-     * This also gives Sensei specific filters that allows variables to be altered specifically on the course archive.
-     *
-     * This function targets only the course archives and the my courses page. Shortcodes can set their own
-     * query parameters via the arguments.
-     *
-     * This function is hooked into pre_get_posts filter
-     *
-     * @since 1.9.0
-     *
-     * @param WP_Query $query
-     * @return WP_Query $query
-     */
-    public static function course_query_filter( $query ){
-
-        // exit early for no course queries and admin queries
-        if( is_admin( ) || 'course' != $query->get( 'post_type' ) ){
-            return $query;
-        }
-
-        global $post; // used to get the current page id for my courses
-
-        // for the course archive page
-        if( $query->is_main_query() && is_post_type_archive('course') )
-        {
-
-            $query->set( 'posts_per_page', apply_filters( 'sensei_archive_courses_per_page', get_option( 'posts_per_page' ) ) );
-
-        }
-        // for the my courses page
-        elseif( is_page() && Sensei()->settings->get( 'my_course_page' ) == $post->ID  )
-        {
-
-            $query->set( 'posts_per_page', apply_filters( 'sensei_my_courses_per_page', get_option( 'posts_per_page' ) ) );
-
-        }
-
-        return $query;
-
-    }// end course_query_filter
-
-    /**
-     * Determine the class of the course loop
-     *
-     * This will output .first or .last and .course-item-number-x
-     *
-     * @return array $extra_classes
-     * @since 1.9.0
-     */
-    public static function get_course_loop_content_class ()
-    {
-
-        global $sensei_course_loop;
-
-
-        if( !isset( $sensei_course_loop ) ){
-            $sensei_course_loop = array();
-        }
-
-        if (!isset($sensei_course_loop['counter'])) {
-            $sensei_course_loop['counter'] = 0;
-        }
-
-        if (!isset($sensei_course_loop['columns'])) {
-            $sensei_course_loop['columns'] = self::get_loop_number_of_columns();
-        }
-
-        // increment the counter
-        $sensei_course_loop['counter']++;
-
-        $extra_classes = array();
-        if( 0 == ( $sensei_course_loop['counter'] - 1 ) % $sensei_course_loop['columns'] || 1 == $sensei_course_loop['columns']  ){
-            $extra_classes[] = 'first';
-        }
-
-        if( 0 == $sensei_course_loop['counter'] % $sensei_course_loop['columns']  ){
-            $extra_classes[] = 'last';
-        }
-
-        // add the item number to the classes as well.
-        $extra_classes[] = 'loop-item-number-'. $sensei_course_loop['counter'];
-
-        /**
-         * Filter the course loop class the fires in the  in get_course_loop_content_class function
-         * which is called from the course loop content-course.php
-         *
-         * @since 1.9.0
-         *
-         * @param array $extra_classes
-         * @param WP_Post $loop_current_course
-         */
-        return apply_filters( 'sensei_course_loop_content_class', $extra_classes ,get_post() );
-
-    }// end get_course_loop_class
-
-    /**
-     * Get the number of columns set for Sensei courses
-     *
-     * @since 1.9.0
-     * @return mixed|void
-     */
-    public static function get_loop_number_of_columns(){
-
-        /**
-         * Filter the number of columns on the course archive page.
-         *
-         * @since 1.9.0
-         * @param int $number_of_columns default 1
-         */
-        return apply_filters('sensei_course_loop_number_of_columns', 1);
-
-    }
-
-    /**
-     * Output the course archive filter markup
-     *
-     * hooked into sensei_loop_course_before
-     *
-     * @since 1.9.0
-     * @param
-     */
-    public static function course_archive_sorting( $query ){
-
-        // don't show on category pages and other pages
-        if( ! is_archive(  'course ') || is_tax('course-category') ){
-            return;
-        }
-
-        /**
-         * Filter the sensei archive course order by values
-         *
-         * @since 1.9.0
-         * @param array $options {
-         *  @type string $option_value
-         *  @type string $option_string
-         * }
-         */
-        $course_order_by_options = apply_filters( 'sensei_archive_course_order_by_options', array(
-            "newness"     => __( "Sort by newest first", "woothemes-sensei"),
-            "title"       => __( "Sort by title A-Z", "woothemes-sensei" ),
-        ));
-
-        // setup the currently selected item
-        $selected = 'newness';
-        if( isset( $_GET['orderby'] ) ){
-
-            $selected =  $_GET[ 'orderby' ];
-
-        }
-
-        ?>
+	}// end the_course_action_buttons
+
+	/**
+	 * This function alter the main query on the course archive page.
+	 * This also gives Sensei specific filters that allows variables to be altered specifically on the course archive.
+	 *
+	 * This function targets only the course archives and the my courses page. Shortcodes can set their own
+	 * query parameters via the arguments.
+	 *
+	 * This function is hooked into pre_get_posts filter
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param WP_Query $query
+	 * @return WP_Query $query
+	 */
+	public static function course_query_filter( $query ){
+
+		// exit early for no course queries and admin queries
+		if( is_admin( ) || 'course' != $query->get( 'post_type' ) ){
+			return $query;
+		}
+
+		global $post; // used to get the current page id for my courses
+
+		// for the course archive page
+		if( $query->is_main_query() && is_post_type_archive('course') )
+		{
+
+			$query->set( 'posts_per_page', apply_filters( 'sensei_archive_courses_per_page', get_option( 'posts_per_page' ) ) );
+
+		}
+		// for the my courses page
+		elseif( is_page() && Sensei()->settings->get( 'my_course_page' ) == $post->ID  )
+		{
+
+			$query->set( 'posts_per_page', apply_filters( 'sensei_my_courses_per_page', get_option( 'posts_per_page' ) ) );
+
+		}
+
+		return $query;
+
+	}// end course_query_filter
+
+	/**
+	 * Determine the class of the course loop
+	 *
+	 * This will output .first or .last and .course-item-number-x
+	 *
+	 * @return array $extra_classes
+	 * @since 1.9.0
+	 */
+	public static function get_course_loop_content_class ()
+	{
+
+		global $sensei_course_loop;
+
+
+		if( !isset( $sensei_course_loop ) ){
+			$sensei_course_loop = array();
+		}
+
+		if (!isset($sensei_course_loop['counter'])) {
+			$sensei_course_loop['counter'] = 0;
+		}
+
+		if (!isset($sensei_course_loop['columns'])) {
+			$sensei_course_loop['columns'] = self::get_loop_number_of_columns();
+		}
+
+		// increment the counter
+		$sensei_course_loop['counter']++;
+
+		$extra_classes = array();
+		if( 0 == ( $sensei_course_loop['counter'] - 1 ) % $sensei_course_loop['columns'] || 1 == $sensei_course_loop['columns']  ){
+			$extra_classes[] = 'first';
+		}
+
+		if( 0 == $sensei_course_loop['counter'] % $sensei_course_loop['columns']  ){
+			$extra_classes[] = 'last';
+		}
+
+		// add the item number to the classes as well.
+		$extra_classes[] = 'loop-item-number-'. $sensei_course_loop['counter'];
+
+		/**
+		 * Filter the course loop class the fires in the  in get_course_loop_content_class function
+		 * which is called from the course loop content-course.php
+		 *
+		 * @since 1.9.0
+		 *
+		 * @param array $extra_classes
+		 * @param WP_Post $loop_current_course
+		 */
+		return apply_filters( 'sensei_course_loop_content_class', $extra_classes ,get_post() );
+
+	}// end get_course_loop_class
+
+	/**
+	 * Get the number of columns set for Sensei courses
+	 *
+	 * @since 1.9.0
+	 * @return mixed|void
+	 */
+	public static function get_loop_number_of_columns(){
+
+		/**
+		 * Filter the number of columns on the course archive page.
+		 *
+		 * @since 1.9.0
+		 * @param int $number_of_columns default 1
+		 */
+		return apply_filters('sensei_course_loop_number_of_columns', 1);
+
+	}
+
+	/**
+	 * Output the course archive filter markup
+	 *
+	 * hooked into sensei_loop_course_before
+	 *
+	 * @since 1.9.0
+	 * @param
+	 */
+	public static function course_archive_sorting( $query ){
+
+		// don't show on category pages and other pages
+		if( ! is_archive(  'course ') || is_tax('course-category') ){
+			return;
+		}
+
+		/**
+		 * Filter the sensei archive course order by values
+		 *
+		 * @since 1.9.0
+		 * @param array $options {
+		 *  @type string $option_value
+		 *  @type string $option_string
+		 * }
+		 */
+		$course_order_by_options = apply_filters( 'sensei_archive_course_order_by_options', array(
+			"newness"     => __( "Sort by newest first", "woothemes-sensei"),
+			"title"       => __( "Sort by title A-Z", "woothemes-sensei" ),
+		));
+
+		// setup the currently selected item
+		$selected = 'newness';
+		if( isset( $_GET['orderby'] ) ){
+
+			$selected =  $_GET[ 'orderby' ];
+
+		}
+
+		?>
 
         <form class="sensei-ordering" name="sensei-course-order" action="<?php echo esc_attr( Sensei_Utils::get_current_url() ) ; ?>" method="POST">
             <select name="course-orderby" class="orderby">
                 <?php
-                foreach( $course_order_by_options as $value => $text ){
+				foreach( $course_order_by_options as $value => $text ){
 
-                    echo '<option value="'. $value . ' "' . selected( $selected, $value, false ) . '>'. $text. '</option>';
+					echo '<option value="'. $value . ' "' . selected( $selected, $value, false ) . '>'. $text. '</option>';
 
-                }
-                ?>
+				}
+				?>
             </select>
         </form>
 
     <?php
-    }// end course archive filters
-
-    /**
-     * Output the course archive filter markup
-     *
-     * hooked into sensei_loop_course_before
-     *
-     * @since 1.9.0
-     * @param
-     */
-    public static function course_archive_filters( $query ){
-
-        // don't show on category pages
-        if( is_tax('course-category') ){
-            return;
-        }
-
-        /**
-         * filter the course archive filter buttons
-         *
-         * @since 1.9.0
-         * @param array $filters{
-         *   @type array ( $id, $url , $title )
-         * }
-         *
-         */
-        $filters = apply_filters( 'sensei_archive_course_filter_by_options', array(
-            array( 'id' => 'all', 'url' => self::get_courses_page_url(), 'title'=> __( 'All', 'woothemes-sensei' ) ),
-            array( 'id' => 'featured', 'url' => add_query_arg( array( 'course_filter'=>'featured'), self::get_courses_page_url()  ), 'title'=> __( 'Featured', 'woothemes-sensei' ) ),
-        ));
-
-
-        ?>
+	}// end course archive filters
+
+	/**
+	 * Output the course archive filter markup
+	 *
+	 * hooked into sensei_loop_course_before
+	 *
+	 * @since 1.9.0
+	 * @param
+	 */
+	public static function course_archive_filters( $query ){
+
+		// don't show on category pages
+		if( is_tax('course-category') ){
+			return;
+		}
+
+		/**
+		 * filter the course archive filter buttons
+		 *
+		 * @since 1.9.0
+		 * @param array $filters{
+		 *   @type array ( $id, $url , $title )
+		 * }
+		 *
+		 */
+		$filters = apply_filters( 'sensei_archive_course_filter_by_options', array(
+			array( 'id' => 'all', 'url' => self::get_courses_page_url(), 'title'=> __( 'All', 'woothemes-sensei' ) ),
+			array( 'id' => 'featured', 'url' => add_query_arg( array( 'course_filter'=>'featured'), self::get_courses_page_url()  ), 'title'=> __( 'Featured', 'woothemes-sensei' ) ),
+		));
+
+
+		?>
         <ul class="sensei-course-filters clearfix" >
             <?php
 
-            //determine the current active url
-            $current_url = Sensei_Utils::get_current_url();
+			//determine the current active url
+			$current_url = Sensei_Utils::get_current_url();
 
-            foreach( $filters as $filter ) {
+			foreach( $filters as $filter ) {
 
-                $active_class =  $current_url == $filter['url'] ? ' class="active" ' : '';
+				$active_class =  $current_url == $filter['url'] ? ' class="active" ' : '';
 
-                echo '<li><a '. $active_class .' id="'. $filter['id'] .'" href="'. esc_url( $filter['url'] ).'" >'. $filter['title']  .'</a></li>';
+				echo '<li><a '. $active_class .' id="'. $filter['id'] .'" href="'. esc_url( $filter['url'] ).'" >'. $filter['title']  .'</a></li>';
 
-            }
-            ?>
+			}
+			?>
 
         </ul>
 
         <?php
 
-    }
+	}
 
-    /**
-     * if the featured link is clicked on the course archive page
-     * filter the courses returned to only show those featured
-     *
-     * Hooked into pre_get_posts
-     *
-     * @since 1.9.0
-     * @param WP_Query $query
-     * @return WP_Query $query
-     */
-    public static function course_archive_featured_filter( $query ){
-
-        if( isset ( $_GET[ 'course_filter' ] ) && 'featured'== $_GET['course_filter'] && $query->is_main_query()  ){
-            //setup meta query for featured courses
-            $query->set( 'meta_value', 'featured'  );
-            $query->set( 'meta_key', '_course_featured'  );
-            $query->set( 'meta_compare', '='  );
-        }
-
-        return $query;
-    }
-
-    /**
-     * if the course order drop down is changed
-     *
-     * Hooked into pre_get_posts
-     *
-     * @since 1.9.0
-     * @param WP_Query $query
-     * @return WP_Query $query
-     */
-    public static function course_archive_order_by_title( $query ){
-
-        if( isset ( $_POST[ 'course-orderby' ] ) && 'title '== $_POST['course-orderby']
-            && 'course'== $query->get('post_type') && $query->is_main_query()  ){
-            // setup the order by title for this query
-            $query->set( 'orderby', 'title'  );
-            $query->set( 'order', 'ASC'  );
-        }
-
-        return $query;
-    }
-
-
-    /**
-     * Get the link to the courses page. This will be the course post type archive
-     * page link or the page the user set in their settings
-     *
-     * @since 1.9.0
-     * @return string $course_page_url
-     */
-    public static function get_courses_page_url(){
-
-        $course_page_id = intval( Sensei()->settings->settings[ 'course_page' ] );
-        $course_page_url = empty( $course_page_id ) ? get_post_type_archive_link('course') : get_permalink( $course_page_id );
+	/**
+	 * if the featured link is clicked on the course archive page
+	 * filter the courses returned to only show those featured
+	 *
+	 * Hooked into pre_get_posts
+	 *
+	 * @since 1.9.0
+	 * @param WP_Query $query
+	 * @return WP_Query $query
+	 */
+	public static function course_archive_featured_filter( $query ){
 
-        return $course_page_url;
-
-    }// get_course_url
+		if( isset ( $_GET[ 'course_filter' ] ) && 'featured'== $_GET['course_filter'] && $query->is_main_query()  ){
+			//setup meta query for featured courses
+			$query->set( 'meta_value', 'featured'  );
+			$query->set( 'meta_key', '_course_featured'  );
+			$query->set( 'meta_compare', '='  );
+		}
 
-    /**
-     * Output the headers on the course archive page
-     *
-     * Hooked into the sensei_archive_title
-     *
-     * @since 1.9.0
-     * @param string $query_type
-     * @param string $before_html
-     * @param string $after_html
-     * @return void
-     */
-    public static function archive_header( $query_type ='' , $before_html='', $after_html =''  ){
+		return $query;
+	}
 
-        if( ! is_post_type_archive('course') ){
-            return;
-        }
+	/**
+	 * if the course order drop down is changed
+	 *
+	 * Hooked into pre_get_posts
+	 *
+	 * @since 1.9.0
+	 * @param WP_Query $query
+	 * @return WP_Query $query
+	 */
+	public static function course_archive_order_by_title( $query ){
 
-        // deprecated since 1.9.0
-        sensei_do_deprecated_action('sensei_archive_title','1.9.0','sensei_archive_before_course_loop');
+		if( isset ( $_POST[ 'course-orderby' ] ) && 'title '== $_POST['course-orderby']
+			&& 'course'== $query->get('post_type') && $query->is_main_query()  ){
+			// setup the order by title for this query
+			$query->set( 'orderby', 'title'  );
+			$query->set( 'order', 'ASC'  );
+		}
 
-        $html = '';
+		return $query;
+	}
 
-        if( empty( $before_html ) ){
 
-            $before_html = '<header class="archive-header"><h1>';
+	/**
+	 * Get the link to the courses page. This will be the course post type archive
+	 * page link or the page the user set in their settings
+	 *
+	 * @since 1.9.0
+	 * @return string $course_page_url
+	 */
+	public static function get_courses_page_url(){
 
-        }
+		$course_page_id = intval( Sensei()->settings->settings[ 'course_page' ] );
+		$course_page_url = empty( $course_page_id ) ? get_post_type_archive_link('course') : get_permalink( $course_page_id );
 
-        if( empty( $after_html ) ){
+		return $course_page_url;
 
-            $after_html = '</h1></header>';
+	}// get_course_url
 
-        }
+	/**
+	 * Output the headers on the course archive page
+	 *
+	 * Hooked into the sensei_archive_title
+	 *
+	 * @since 1.9.0
+	 * @param string $query_type
+	 * @param string $before_html
+	 * @param string $after_html
+	 * @return void
+	 */
+	public static function archive_header( $query_type ='' , $before_html='', $after_html =''  ){
 
-        if ( is_tax( 'course-category' ) ) {
+		if( ! is_post_type_archive('course') ){
+			return;
+		}
 
-            global $wp_query;
+		// deprecated since 1.9.0
+		sensei_do_deprecated_action('sensei_archive_title','1.9.0','sensei_archive_before_course_loop');
 
-            $taxonomy_obj = $wp_query->get_queried_object();
-            $taxonomy_short_name = $taxonomy_obj->taxonomy;
-            $taxonomy_raw_obj = get_taxonomy( $taxonomy_short_name );
-            $title = sprintf( __( '%1$s Archives: %2$s', 'woothemes-sensei' ), $taxonomy_raw_obj->labels->name, $taxonomy_obj->name );
-            echo apply_filters( 'course_category_archive_title', $before_html . $title . $after_html );
-            return;
+		$html = '';
 
-        } // End If Statement
+		if( empty( $before_html ) ){
 
-        switch ( $query_type ) {
-            case 'newcourses':
-                $html .= $before_html . __( 'New Courses', 'woothemes-sensei' ) . $after_html;
-                break;
-            case 'featuredcourses':
-                $html .= $before_html .  __( 'Featured Courses', 'woothemes-sensei' ) . $after_html;
-                break;
-            case 'freecourses':
-                $html .= $before_html .  __( 'Free Courses', 'woothemes-sensei' ) . $after_html;
-                break;
-            case 'paidcourses':
-                $html .= $before_html .  __( 'Paid Courses', 'woothemes-sensei' ) . $after_html;
-                break;
-            default:
-                $html .= $before_html . __( 'Courses', 'woothemes-sensei' ) . $after_html;
-                break;
-        } // End Switch Statement
+			$before_html = '<header class="archive-header"><h1>';
 
-        echo apply_filters( 'course_archive_title', $html );
+		}
 
-    }//course_archive_header
+		if( empty( $after_html ) ){
 
+			$after_html = '</h1></header>';
 
-    /**
-     * Filter the single course content
-     * taking into account if the user has access.
-     *
-     * @1.9.0
-     *
-     * @param string $content
-     * @return string $content or $excerpt
-     */
-    public static function single_course_content( $content ){
+		}
 
-        if( ! is_singular('course') ){
+		if ( is_tax( 'course-category' ) ) {
 
-            return $content;
+			global $wp_query;
 
-        }
+			$taxonomy_obj = $wp_query->get_queried_object();
+			$taxonomy_short_name = $taxonomy_obj->taxonomy;
+			$taxonomy_raw_obj = get_taxonomy( $taxonomy_short_name );
+			$title = sprintf( __( '%1$s Archives: %2$s', 'woothemes-sensei' ), $taxonomy_raw_obj->labels->name, $taxonomy_obj->name );
+			echo apply_filters( 'course_category_archive_title', $before_html . $title . $after_html );
+			return;
 
-        // Content Access Permissions
-        $access_permission = false;
+		} // End If Statement
 
-        if ( ! Sensei()->settings->get('access_permission')  || sensei_all_access() ) {
+		switch ( $query_type ) {
+			case 'newcourses':
+				$html .= $before_html . __( 'New Courses', 'woothemes-sensei' ) . $after_html;
+				break;
+			case 'featuredcourses':
+				$html .= $before_html .  __( 'Featured Courses', 'woothemes-sensei' ) . $after_html;
+				break;
+			case 'freecourses':
+				$html .= $before_html .  __( 'Free Courses', 'woothemes-sensei' ) . $after_html;
+				break;
+			case 'paidcourses':
+				$html .= $before_html .  __( 'Paid Courses', 'woothemes-sensei' ) . $after_html;
+				break;
+			default:
+				$html .= $before_html . __( 'Courses', 'woothemes-sensei' ) . $after_html;
+				break;
+		} // End Switch Statement
 
-            $access_permission = true;
+		echo apply_filters( 'course_archive_title', $html );
 
-        } // End If Statement
+	}//course_archive_header
 
-        // Check if the user is taking the course
-        $is_user_taking_course = Sensei_Utils::user_started_course( get_the_ID(), get_current_user_id() );
 
-        if(Sensei_WC::is_woocommerce_active()) {
+	/**
+	 * Filter the single course content
+	 * taking into account if the user has access.
+	 *
+	 * @1.9.0
+	 *
+	 * @param string $content
+	 * @return string $content or $excerpt
+	 */
+	public static function single_course_content( $content ){
 
-            $wc_post_id = get_post_meta( get_the_ID(), '_course_woocommerce_product', true );
-            $product = Sensei()->sensei_get_woocommerce_product_object( $wc_post_id );
+		if( ! is_singular('course') ){
 
-            $has_product_attached = isset ( $product ) && is_object ( $product );
+			return $content;
 
-        } else {
+		}
 
-            $has_product_attached = false;
+		// Content Access Permissions
+		$access_permission = false;
 
-        }
+		if ( ! Sensei()->settings->get('access_permission')  || sensei_all_access() ) {
 
-        if ( ( is_user_logged_in() && $is_user_taking_course )
-            || ( $access_permission && !$has_product_attached)
-            || 'full' == Sensei()->settings->get( 'course_single_content_display' ) ) {
+			$access_permission = true;
 
-            return $content;
+		} // End If Statement
 
-        } else {
+		// Check if the user is taking the course
+		$is_user_taking_course = Sensei_Utils::user_started_course( get_the_ID(), get_current_user_id() );
 
-            return '<p class="course-excerpt">' . get_post(  get_the_ID() )->post_excerpt . '</p>';
+		if(Sensei_WC::is_woocommerce_active()) {
 
-        }
+			$wc_post_id = get_post_meta( get_the_ID(), '_course_woocommerce_product', true );
+			$product = Sensei()->sensei_get_woocommerce_product_object( $wc_post_id );
 
-    }// end single_course_content
+			$has_product_attached = isset ( $product ) && is_object ( $product );
 
-    /**
-     * Output the the single course lessons title with markup.
-     *
-     * @since 1.9.0
-     */
-    public static function the_course_lessons_title(){
-        global $post;
-        $none_module_lessons = Sensei()->modules->get_none_module_lessons( $post->ID  );
-        $course_lessons = Sensei()->course->course_lessons( $post->ID );
+		} else {
+
+			$has_product_attached = false;
+
+		}
 
-        // title should be Other Lessons if there are lessons belonging to models.
-        $title = __('Other Lessons', 'woothemes-sensei');
-        if( count( $course_lessons ) == count( $none_module_lessons )  ){
+		if ( ( is_user_logged_in() && $is_user_taking_course )
+			|| ( $access_permission && !$has_product_attached)
+			|| 'full' == Sensei()->settings->get( 'course_single_content_display' ) ) {
 
-            $title = __('Lessons', 'woothemes-sensei');
+			return $content;
 
-        }
+		} else {
 
-        /**
-         * hook document in class-woothemes-sensei-message.php
-         */
-        $title = apply_filters( 'sensei_single_title', $title, $post->post_type );
+			return '<p class="course-excerpt">' . get_post(  get_the_ID() )->post_excerpt . '</p>';
 
-        ob_start(); // start capturing the following output.
+		}
 
-        ?>
+	}// end single_course_content
+
+	/**
+	 * Output the the single course lessons title with markup.
+	 *
+	 * @since 1.9.0
+	 */
+	public static function the_course_lessons_title(){
+		global $post;
+		$none_module_lessons = Sensei()->modules->get_none_module_lessons( $post->ID  );
+		$course_lessons = Sensei()->course->course_lessons( $post->ID );
+
+		// title should be Other Lessons if there are lessons belonging to models.
+		$title = __('Other Lessons', 'woothemes-sensei');
+		if( count( $course_lessons ) == count( $none_module_lessons )  ){
+
+			$title = __('Lessons', 'woothemes-sensei');
+
+		}
+
+		/**
+		 * hook document in class-woothemes-sensei-message.php
+		 */
+		$title = apply_filters( 'sensei_single_title', $title, $post->post_type );
+
+		ob_start(); // start capturing the following output.
+
+		?>
 
             <header>
                 <h2> <?php echo $title; ?> </h2>
@@ -2520,277 +2520,277 @@ 
 
         <?php
 
-        /**
-         * Filter the title and markup that appears above the lessons on a single course
-         * page.
-         *
-         * @since 1.9.0
-         * @param string $lessons_title_html
-         */
-        echo apply_filters('the_course_lessons_title', ob_get_clean() ); // output and filter the captured output and stop capturing.
-
-    }// end the_course_lessons_title
-
-    /**
-     * This function loads the global wp_query object with with lessons
-     * of the current course. It is designed to be used on the single-course template
-     * and expects the global post to be a singular course.
-     *
-     * This function excludes lessons belonging to modules as they are
-     * queried separately.
-     *
-     * @since 1.9.0
-     * @global $wp_query
-     */
-    public static function load_single_course_lessons_query(){
-
-        global $post, $wp_query;
+		/**
+		 * Filter the title and markup that appears above the lessons on a single course
+		 * page.
+		 *
+		 * @since 1.9.0
+		 * @param string $lessons_title_html
+		 */
+		echo apply_filters('the_course_lessons_title', ob_get_clean() ); // output and filter the captured output and stop capturing.
 
-        $course_id = $post->ID;
+	}// end the_course_lessons_title
 
-        if( 'course' != get_post_type( $course_id ) ){
-            return;
-        }
+	/**
+	 * This function loads the global wp_query object with with lessons
+	 * of the current course. It is designed to be used on the single-course template
+	 * and expects the global post to be a singular course.
+	 *
+	 * This function excludes lessons belonging to modules as they are
+	 * queried separately.
+	 *
+	 * @since 1.9.0
+	 * @global $wp_query
+	 */
+	public static function load_single_course_lessons_query(){
 
-        $course_lesson_query_args = array(
-            'post_type'         => 'lesson',
-            'posts_per_page'    => 500,
-            'orderby'           => 'date',
-            'order'             => 'ASC',
-            'meta_query'        => array(
-                array(
-                    'key' => '_lesson_course',
-                    'value' => intval( $course_id ),
-                ),
-            ),
-            'post_status'       => 'public',
-            'suppress_filters'  => 0,
-        );
+		global $post, $wp_query;
 
-        // Exclude lessons belonging to modules as they are queried along with the modules.
-        $modules = Sensei()->modules->get_course_modules( $course_id );
-        if( !is_wp_error( $modules ) && ! empty( $modules ) && is_array( $modules ) ){
+		$course_id = $post->ID;
 
-            $terms_ids = array();
-            foreach( $modules as $term ){
+		if( 'course' != get_post_type( $course_id ) ){
+			return;
+		}
 
-                $terms_ids[] = $term->term_id;
+		$course_lesson_query_args = array(
+			'post_type'         => 'lesson',
+			'posts_per_page'    => 500,
+			'orderby'           => 'date',
+			'order'             => 'ASC',
+			'meta_query'        => array(
+				array(
+					'key' => '_lesson_course',
+					'value' => intval( $course_id ),
+				),
+			),
+			'post_status'       => 'public',
+			'suppress_filters'  => 0,
+		);
+
+		// Exclude lessons belonging to modules as they are queried along with the modules.
+		$modules = Sensei()->modules->get_course_modules( $course_id );
+		if( !is_wp_error( $modules ) && ! empty( $modules ) && is_array( $modules ) ){
+
+			$terms_ids = array();
+			foreach( $modules as $term ){
+
+				$terms_ids[] = $term->term_id;
 
-            }
+			}
 
-            $course_lesson_query_args[ 'tax_query'] = array(
-                array(
-                    'taxonomy' => 'module',
-                    'field'    => 'id',
-                    'terms'    => $terms_ids,
-                    'operator' => 'NOT IN',
-                ),
-            );
-        }
+			$course_lesson_query_args[ 'tax_query'] = array(
+				array(
+					'taxonomy' => 'module',
+					'field'    => 'id',
+					'terms'    => $terms_ids,
+					'operator' => 'NOT IN',
+				),
+			);
+		}
 
-        $wp_query = new WP_Query( $course_lesson_query_args );
+		$wp_query = new WP_Query( $course_lesson_query_args );
 
-    }// load_single_course_lessons
+	}// load_single_course_lessons
 
-    /**
-     * Flush the rewrite rules for a course post type
-     *
-     * @since 1.9.0
-     *
-     * @param $post_id
-     */
-    public static function flush_rewrite_rules( $post_id ){
+	/**
+	 * Flush the rewrite rules for a course post type
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param $post_id
+	 */
+	public static function flush_rewrite_rules( $post_id ){
 
-        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
+		if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
 
-            return;
+			return;
 
-        }
+		}
 
 
-        if( 'course' == get_post_type( $post_id )  ){
+		if( 'course' == get_post_type( $post_id )  ){
 
-            Sensei()->initiate_rewrite_rules_flush();
+			Sensei()->initiate_rewrite_rules_flush();
 
-        }
+		}
 
-    }
+	}
 
-    /**
-     * Optionally return the full content on the single course pages
-     * depending on the users course_single_content_display setting
-     *
-     * @since 1.9.0
-     * @param $excerpt
-     * @return string
-     */
-    public static function full_content_excerpt_override( $excerpt ){
+	/**
+	 * Optionally return the full content on the single course pages
+	 * depending on the users course_single_content_display setting
+	 *
+	 * @since 1.9.0
+	 * @param $excerpt
+	 * @return string
+	 */
+	public static function full_content_excerpt_override( $excerpt ){
 
-        if (   is_singular('course')  &&
-                'full' == Sensei()->settings->get( 'course_single_content_display' ) ){
+		if (   is_singular('course')  &&
+				'full' == Sensei()->settings->get( 'course_single_content_display' ) ){
 
-            return get_the_content();
+			return get_the_content();
 
-        } else {
+		} else {
 
-            return $excerpt;
+			return $excerpt;
 
-        }
+		}
 
-    }
+	}
 
-    /**
-     * Output the course actions like start taking course, register, add to cart etc.
-     *
-     * @since 1.9.0
-     */
-    public static function the_course_enrolment_actions(){
-        ?>
+	/**
+	 * Output the course actions like start taking course, register, add to cart etc.
+	 *
+	 * @since 1.9.0
+	 */
+	public static function the_course_enrolment_actions(){
+		?>
         <section class="course-meta course-enrolment">
         <?php
-        global  $post, $current_user;
-        $is_user_taking_course = Sensei_Utils::user_started_course( $post->ID, $current_user->ID );
-        if ( is_user_logged_in() && ! $is_user_taking_course ) {
-
-            // Get the product ID
-            $wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
-
-            // Check for woocommerce
-            if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
-                sensei_wc_add_to_cart($post->ID);
-            } else {
-                sensei_start_course_form($post->ID);
-            } // End If Statement
-
-        } elseif ( is_user_logged_in() ) {
-
-            // Check if course is completed
-            $user_course_status = Sensei_Utils::user_course_status( $post->ID, $current_user->ID );
-            $completed_course = Sensei_Utils::user_completed_course( $user_course_status );
-            // Success message
-            if ( $completed_course ) { ?>
+		global  $post, $current_user;
+		$is_user_taking_course = Sensei_Utils::user_started_course( $post->ID, $current_user->ID );
+		if ( is_user_logged_in() && ! $is_user_taking_course ) {
+
+			// Get the product ID
+			$wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
+
+			// Check for woocommerce
+			if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
+				sensei_wc_add_to_cart($post->ID);
+			} else {
+				sensei_start_course_form($post->ID);
+			} // End If Statement
+
+		} elseif ( is_user_logged_in() ) {
+
+			// Check if course is completed
+			$user_course_status = Sensei_Utils::user_course_status( $post->ID, $current_user->ID );
+			$completed_course = Sensei_Utils::user_completed_course( $user_course_status );
+			// Success message
+			if ( $completed_course ) { ?>
                 <div class="status completed"><?php  _e( 'Completed', 'woothemes-sensei' ); ?></div>
                 <?php
-                $has_quizzes = Sensei()->course->course_quizzes( $post->ID, true );
-                if( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
+				$has_quizzes = Sensei()->course->course_quizzes( $post->ID, true );
+				if( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
                     <p class="sensei-results-links">
                         <?php
-                        $results_link = '';
-                        if( $has_quizzes ) {
-                            $results_link = '<a class="view-results" href="' . Sensei()->course_results->get_permalink( $post->ID ) . '">' .  __( 'View results', 'woothemes-sensei' ) . '</a>';
-                        }
-                        $results_link = apply_filters( 'sensei_results_links', $results_link );
-                        echo $results_link;
-                        ?></p>
+						$results_link = '';
+						if( $has_quizzes ) {
+							$results_link = '<a class="view-results" href="' . Sensei()->course_results->get_permalink( $post->ID ) . '">' .  __( 'View results', 'woothemes-sensei' ) . '</a>';
+						}
+						$results_link = apply_filters( 'sensei_results_links', $results_link );
+						echo $results_link;
+						?></p>
                 <?php } ?>
             <?php } else { ?>
                 <div class="status in-progress"><?php echo __( 'In Progress', 'woothemes-sensei' ); ?></div>
             <?php }
 
-        } else {
-            // Get the product ID
-            $wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
-            // Check for woocommerce
-            if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
+		} else {
+			// Get the product ID
+			$wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
+			// Check for woocommerce
+			if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
 
-                sensei_wc_add_to_cart($post->ID);
+				sensei_wc_add_to_cart($post->ID);
 
-            } else {
+			} else {
 
-                if( get_option( 'users_can_register') ) {
+				if( get_option( 'users_can_register') ) {
 
 
-                    $my_courses_page_id = '';
+					$my_courses_page_id = '';
 
-                    /**
-                     * Filter to force Sensei to output the default WordPress user
-                     * registration link.
-                     *
-                     * @since 1.9.0
-                     * @param bool $wp_register_link default false
-                     */
+					/**
+					 * Filter to force Sensei to output the default WordPress user
+					 * registration link.
+					 *
+					 * @since 1.9.0
+					 * @param bool $wp_register_link default false
+					 */
 
-                    $wp_register_link = apply_filters('sensei_use_wp_register_link', false);
+					$wp_register_link = apply_filters('sensei_use_wp_register_link', false);
 
-                    $settings = Sensei()->settings->get_settings();
-                    if( isset( $settings[ 'my_course_page' ] )
-                        && 0 < intval( $settings[ 'my_course_page' ] ) ){
+					$settings = Sensei()->settings->get_settings();
+					if( isset( $settings[ 'my_course_page' ] )
+						&& 0 < intval( $settings[ 'my_course_page' ] ) ){
 
-                        $my_courses_page_id = $settings[ 'my_course_page' ];
+						$my_courses_page_id = $settings[ 'my_course_page' ];
 
-                    }
+					}
 
-                    // If a My Courses page was set in Settings, and 'sensei_use_wp_register_link'
-                    // is false, link to My Courses. If not, link to default WordPress registration page.
-                    if( !empty( $my_courses_page_id ) && $my_courses_page_id && !$wp_register_link){
+					// If a My Courses page was set in Settings, and 'sensei_use_wp_register_link'
+					// is false, link to My Courses. If not, link to default WordPress registration page.
+					if( !empty( $my_courses_page_id ) && $my_courses_page_id && !$wp_register_link){
 
-                        $my_courses_url = get_permalink( $my_courses_page_id  );
-                        $register_link = '<a href="'.$my_courses_url. '">' . __('Register', 'woothemes-sensei') .'</a>';
-                        echo '<div class="status register">' . $register_link . '</div>' ;
+						$my_courses_url = get_permalink( $my_courses_page_id  );
+						$register_link = '<a href="'.$my_courses_url. '">' . __('Register', 'woothemes-sensei') .'</a>';
+						echo '<div class="status register">' . $register_link . '</div>' ;
 
-                    } else{
+					} else{
 
-                        wp_register( '<div class="status register">', '</div>' );
+						wp_register( '<div class="status register">', '</div>' );
 
-                    }
+					}
 
-                } // end if user can register
+				} // end if user can register
 
-            } // End If Statement
+			} // End If Statement
 
-        } // End If Statement ?>
+		} // End If Statement ?>
 
         </section><?php
 
-    }// end the_course_enrolment_actions
+	}// end the_course_enrolment_actions
 
-    /**
-     * Output the course video inside the loop.
-     *
-     * @since 1.9.0
-     */
-    public static function the_course_video(){
+	/**
+	 * Output the course video inside the loop.
+	 *
+	 * @since 1.9.0
+	 */
+	public static function the_course_video(){
 
-        global $post;
-        // Get the meta info
-        $course_video_embed = get_post_meta( $post->ID, '_course_video_embed', true );
+		global $post;
+		// Get the meta info
+		$course_video_embed = get_post_meta( $post->ID, '_course_video_embed', true );
 
-        if ( 'http' == substr( $course_video_embed, 0, 4) ) {
+		if ( 'http' == substr( $course_video_embed, 0, 4) ) {
 
-            $course_video_embed = wp_oembed_get( esc_url( $course_video_embed ) );
+			$course_video_embed = wp_oembed_get( esc_url( $course_video_embed ) );
 
-        } // End If Statement
+		} // End If Statement
 
-        if ( '' != $course_video_embed ) { ?>
+		if ( '' != $course_video_embed ) { ?>
 
             <div class="course-video">
                 <?php echo html_entity_decode($course_video_embed); ?>
             </div>
 
         <?php } // End If Statement
-    }
+	}
 
-    /**
-     * Output the title for the single lesson page
-     *
-     * @global $post
-     * @since 1.9.0
-     */
-    public static function the_title(){
+	/**
+	 * Output the title for the single lesson page
+	 *
+	 * @global $post
+	 * @since 1.9.0
+	 */
+	public static function the_title(){
 
-        global $post;
+		global $post;
 
-        ?>
+		?>
         <header>
 
             <h1>
 
                 <?php
-                /**
-                 * Filter documented in class-sensei-messages.php the_title
-                 */
-                echo apply_filters( 'sensei_single_title', get_the_title( $post ), $post->post_type );
-                ?>
+				/**
+				 * Filter documented in class-sensei-messages.php the_title
+				 */
+				echo apply_filters( 'sensei_single_title', get_the_title( $post ), $post->post_type );
+				?>
 
             </h1>
 
@@ -2798,111 +2798,111 @@ 
 
         <?php
 
-    }//the_title
-
-    /**
-     * Show the title on the course category pages
-     *
-     * @since 1.9.0
-     */
-    public static function course_category_title(){
-
-        if( ! is_tax( 'course-category' ) ){
-            return;
-        }
-
-        $category_slug = get_query_var('course-category');
-        $term  = get_term_by('slug',$category_slug,'course-category');
-
-        if( ! empty($term) ){
-
-            $title = $term->name;
-
-        }else{
-
-            $title = 'Course Category';
-
-        }
-
-        $html = '<h2 class="sensei-category-title">';
-        $html .= __('Category') . ' ' . $title;
-        $html .= '</h2>';
-
-        echo apply_filters( 'course_category_title', $html , $term->term_id );
-
-    }// course_category_title
-
-    /**
-     * Alter the course query to respect the order set for courses and apply
-     * this on the course-category pages.
-     *
-     * @since 1.9.0
-     *
-     * @param WP_Query $query
-     * @return WP_Query
-     */
-    public static function alter_course_category_order( $query ){
-
-        if( ! is_tax( 'course-category' ) || ! $query->is_main_query() ){
-            return $query;
-        }
-
-        $order = get_option( 'sensei_course_order', '' );
-        if( !empty( $order )  ){
-            $query->set('orderby', 'menu_order' );
-            $query->set('order', 'ASC' );
-        }
-
-        return $query;
-
-    }
-
-    /**
-     * The very basic course query arguments
-     * so we don't have to repeat this througout
-     * the code base.
-     *
-     * Usage:
-     * $args = Sensei_Course::get_default_query_args();
-     * $args['custom_arg'] ='custom value';
-     * $courses = get_posts( $args )
-     *
-     * @since 1.9.0
-     *
-     * @return array
-     */
-    public static function get_default_query_args(){
-        return array(
-            'post_type' 		=> 'course',
-            'posts_per_page' 		=> 1000,
-            'orderby'         	=> 'date',
-            'order'           	=> 'DESC',
-            'suppress_filters' 	=> 0
-        );
-    }
-
-    /**
-     * Check if the prerequisite course is completed
-     * Courses with no pre-requisite should always return true
-     *
-     * @since 1.9.0
-     * @param $course_id
-     * @return bool
-     */
-    public static function is_prerequisite_complete( $course_id ){
-
-        $course_prerequisite_id = get_post_meta( $course_id, '_course_prerequisite', true );
-
-        // if it has a pre requisite course check it
-        if( ! empty(  $course_prerequisite_id ) ){
-
-            return Sensei_Utils::user_completed_course( $course_prerequisite_id, get_current_user_id() );
-
-        }
-
-        return true;
-
-    }// end is_prerequisite_complete
+	}//the_title
+
+	/**
+	 * Show the title on the course category pages
+	 *
+	 * @since 1.9.0
+	 */
+	public static function course_category_title(){
+
+		if( ! is_tax( 'course-category' ) ){
+			return;
+		}
+
+		$category_slug = get_query_var('course-category');
+		$term  = get_term_by('slug',$category_slug,'course-category');
+
+		if( ! empty($term) ){
+
+			$title = $term->name;
+
+		}else{
+
+			$title = 'Course Category';
+
+		}
+
+		$html = '<h2 class="sensei-category-title">';
+		$html .= __('Category') . ' ' . $title;
+		$html .= '</h2>';
+
+		echo apply_filters( 'course_category_title', $html , $term->term_id );
+
+	}// course_category_title
+
+	/**
+	 * Alter the course query to respect the order set for courses and apply
+	 * this on the course-category pages.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @param WP_Query $query
+	 * @return WP_Query
+	 */
+	public static function alter_course_category_order( $query ){
+
+		if( ! is_tax( 'course-category' ) || ! $query->is_main_query() ){
+			return $query;
+		}
+
+		$order = get_option( 'sensei_course_order', '' );
+		if( !empty( $order )  ){
+			$query->set('orderby', 'menu_order' );
+			$query->set('order', 'ASC' );
+		}
+
+		return $query;
+
+	}
+
+	/**
+	 * The very basic course query arguments
+	 * so we don't have to repeat this througout
+	 * the code base.
+	 *
+	 * Usage:
+	 * $args = Sensei_Course::get_default_query_args();
+	 * $args['custom_arg'] ='custom value';
+	 * $courses = get_posts( $args )
+	 *
+	 * @since 1.9.0
+	 *
+	 * @return array
+	 */
+	public static function get_default_query_args(){
+		return array(
+			'post_type' 		=> 'course',
+			'posts_per_page' 		=> 1000,
+			'orderby'         	=> 'date',
+			'order'           	=> 'DESC',
+			'suppress_filters' 	=> 0
+		);
+	}
+
+	/**
+	 * Check if the prerequisite course is completed
+	 * Courses with no pre-requisite should always return true
+	 *
+	 * @since 1.9.0
+	 * @param $course_id
+	 * @return bool
+	 */
+	public static function is_prerequisite_complete( $course_id ){
+
+		$course_prerequisite_id = get_post_meta( $course_id, '_course_prerequisite', true );
+
+		// if it has a pre requisite course check it
+		if( ! empty(  $course_prerequisite_id ) ){
+
+			return Sensei_Utils::user_completed_course( $course_prerequisite_id, get_current_user_id() );
+
+		}
+
+		return true;
+
+	}// end is_prerequisite_complete
 
 
 }// End Class

Spacing +638 added lines, -638 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Course Class
@@ -33,72 +33,72 @@ 
 	 * Constructor.
 	 * @since  1.0.0
 	 */
-	public function __construct () {
+	public function __construct() {
 
         $this->token = 'course';
 
 		// Setup meta fields for this post type
-		$this->meta_fields = array( 'course_prerequisite', 'course_featured', 'course_video_embed', 'course_woocommerce_product' );
+		$this->meta_fields = array('course_prerequisite', 'course_featured', 'course_video_embed', 'course_woocommerce_product');
 		// Admin actions
-		if ( is_admin() ) {
+		if (is_admin()) {
 			// Metabox functions
-            add_action( 'add_meta_boxes', array( $this, 'meta_box_setup' ), 20 );
-			add_action( 'save_post', array( $this, 'meta_box_save' ) );
+            add_action('add_meta_boxes', array($this, 'meta_box_setup'), 20);
+			add_action('save_post', array($this, 'meta_box_save'));
 			// Custom Write Panel Columns
-			add_filter( 'manage_edit-course_columns', array( $this, 'add_column_headings' ), 10, 1 );
-			add_action( 'manage_posts_custom_column', array( $this, 'add_column_data' ), 10, 2 );
+			add_filter('manage_edit-course_columns', array($this, 'add_column_headings'), 10, 1);
+			add_action('manage_posts_custom_column', array($this, 'add_column_data'), 10, 2);
 		} else {
 			$this->my_courses_page = false;
 		} // End If Statement
 
 		// Update course completion upon completion of a lesson
-		add_action( 'sensei_user_lesson_end', array( $this, 'update_status_after_lesson_change' ), 10, 2 );
+		add_action('sensei_user_lesson_end', array($this, 'update_status_after_lesson_change'), 10, 2);
 		// Update course completion upon reset of a lesson
-		add_action( 'sensei_user_lesson_reset', array( $this, 'update_status_after_lesson_change' ), 10, 2 );
+		add_action('sensei_user_lesson_reset', array($this, 'update_status_after_lesson_change'), 10, 2);
 		// Update course completion upon grading of a quiz
-		add_action( 'sensei_user_quiz_grade', array( $this, 'update_status_after_quiz_submission' ), 10, 2 );
+		add_action('sensei_user_quiz_grade', array($this, 'update_status_after_quiz_submission'), 10, 2);
 
         // show the progress bar ont he single course page
-        add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_statement' ), 15 );
-        add_action( 'sensei_single_course_content_inside_before' , array( $this, 'the_progress_meter' ), 16 );
+        add_action('sensei_single_course_content_inside_before', array($this, 'the_progress_statement'), 15);
+        add_action('sensei_single_course_content_inside_before', array($this, 'the_progress_meter'), 16);
 
         // provide an option to block all emails related to a selected course
-        add_filter( 'sensei_send_emails', array( $this, 'block_notification_emails' ) );
-        add_action( 'save_post', array( $this, 'save_course_notification_meta_box' ) );
+        add_filter('sensei_send_emails', array($this, 'block_notification_emails'));
+        add_action('save_post', array($this, 'save_course_notification_meta_box'));
 
         // preview lessons on the course content
-        add_action( 'sensei_course_content_inside_after',array( $this, 'the_course_free_lesson_preview' ) );
+        add_action('sensei_course_content_inside_after', array($this, 'the_course_free_lesson_preview'));
 
         // the course meta
-        add_action('sensei_course_content_inside_before', array( $this, 'the_course_meta' ) );
+        add_action('sensei_course_content_inside_before', array($this, 'the_course_meta'));
 
         // backwards compatible template hooks
-        add_action('sensei_course_content_inside_before', array( $this, 'content_before_backwards_compatibility_hooks' ));
-        add_action('sensei_loop_course_before', array( $this,'loop_before_backwards_compatibility_hooks' ) );
+        add_action('sensei_course_content_inside_before', array($this, 'content_before_backwards_compatibility_hooks'));
+        add_action('sensei_loop_course_before', array($this, 'loop_before_backwards_compatibility_hooks'));
 
         // add the user status on the course to the markup as a class
-        add_filter('post_class', array( __CLASS__ , 'add_course_user_status_class' ), 20, 3 );
+        add_filter('post_class', array(__CLASS__, 'add_course_user_status_class'), 20, 3);
 
         //filter the course query in Sensei specific instances
-        add_filter( 'pre_get_posts', array( __CLASS__, 'course_query_filter' ) );
+        add_filter('pre_get_posts', array(__CLASS__, 'course_query_filter'));
 
         //attache the sorting to the course archive
-        add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_sorting' ) );
+        add_action('sensei_archive_before_course_loop', array('Sensei_Course', 'course_archive_sorting'));
 
         //attach the filter links to the course archive
-        add_action ( 'sensei_archive_before_course_loop' , array( 'Sensei_Course', 'course_archive_filters' ) );
+        add_action('sensei_archive_before_course_loop', array('Sensei_Course', 'course_archive_filters'));
 
         //filter the course query when featured filter is applied
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_featured_filter'));
+        add_filter('pre_get_posts', array(__CLASS__, 'course_archive_featured_filter'));
 
         // handle the order by title post submission
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'course_archive_order_by_title'));
+        add_filter('pre_get_posts', array(__CLASS__, 'course_archive_order_by_title'));
 
         // ensure the course category page respects the manual order set for courses
-        add_filter( 'pre_get_posts',  array( __CLASS__, 'alter_course_category_order'));
+        add_filter('pre_get_posts', array(__CLASS__, 'alter_course_category_order'));
 
         // flush rewrite rules when saving a course
-        add_action('save_post', array( 'Sensei_Course', 'flush_rewrite_rules' ) );
+        add_action('save_post', array('Sensei_Course', 'flush_rewrite_rules'));
 
 	} // End __construct()
 
@@ -108,10 +108,10 @@ 
 	 * @param type $user_id
 	 * @param type $quiz_id
 	 */
-	public function update_status_after_quiz_submission( $user_id, $quiz_id ) {
-		if ( intval( $user_id ) > 0 && intval( $quiz_id ) > 0 ) {
-			$lesson_id = get_post_meta( $quiz_id, '_quiz_lesson', true );
-			$this->update_status_after_lesson_change( $user_id, $lesson_id );
+	public function update_status_after_quiz_submission($user_id, $quiz_id) {
+		if (intval($user_id) > 0 && intval($quiz_id) > 0) {
+			$lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true);
+			$this->update_status_after_lesson_change($user_id, $lesson_id);
 		}
 	}
 
@@ -121,12 +121,12 @@ 
 	 * @param int $user_id
 	 * @param int $lesson_id
 	 */
-	public function update_status_after_lesson_change( $user_id, $lesson_id ) {
-		if ( intval( $user_id ) > 0 && intval( $lesson_id ) > 0 ) {
-			$course_id = get_post_meta( $lesson_id, '_lesson_course', true );
-			if ( intval( $course_id ) > 0 ) {
+	public function update_status_after_lesson_change($user_id, $lesson_id) {
+		if (intval($user_id) > 0 && intval($lesson_id) > 0) {
+			$course_id = get_post_meta($lesson_id, '_lesson_course', true);
+			if (intval($course_id) > 0) {
 				// Updates the Course status and it's meta data
-				Sensei_Utils::user_complete_course( $course_id, $user_id );
+				Sensei_Utils::user_complete_course($course_id, $user_id);
 			}
 		}
 	}
@@ -137,27 +137,27 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function meta_box_setup () {
+	public function meta_box_setup() {
 
-		if ( Sensei_WC::is_woocommerce_active() ) {
+		if (Sensei_WC::is_woocommerce_active()) {
 			// Add Meta Box for WooCommerce Course
-			add_meta_box( 'course-wc-product', __( 'WooCommerce Product', 'woothemes-sensei' ), array( $this, 'course_woocommerce_product_meta_box_content' ), $this->token, 'side', 'default' );
+			add_meta_box('course-wc-product', __('WooCommerce Product', 'woothemes-sensei'), array($this, 'course_woocommerce_product_meta_box_content'), $this->token, 'side', 'default');
 		} // End If Statement
 		// Add Meta Box for Prerequisite Course
-		add_meta_box( 'course-prerequisite', __( 'Course Prerequisite', 'woothemes-sensei' ), array( $this, 'course_prerequisite_meta_box_content' ), $this->token, 'side', 'default' );
+		add_meta_box('course-prerequisite', __('Course Prerequisite', 'woothemes-sensei'), array($this, 'course_prerequisite_meta_box_content'), $this->token, 'side', 'default');
 		// Add Meta Box for Featured Course
-		add_meta_box( 'course-featured', __( 'Featured Course', 'woothemes-sensei' ), array( $this, 'course_featured_meta_box_content' ), $this->token, 'side', 'default' );
+		add_meta_box('course-featured', __('Featured Course', 'woothemes-sensei'), array($this, 'course_featured_meta_box_content'), $this->token, 'side', 'default');
 		// Add Meta Box for Course Meta
-		add_meta_box( 'course-video', __( 'Course Video', 'woothemes-sensei' ), array( $this, 'course_video_meta_box_content' ), $this->token, 'normal', 'default' );
+		add_meta_box('course-video', __('Course Video', 'woothemes-sensei'), array($this, 'course_video_meta_box_content'), $this->token, 'normal', 'default');
 		// Add Meta Box for Course Lessons
-		add_meta_box( 'course-lessons', __( 'Course Lessons', 'woothemes-sensei' ), array( $this, 'course_lessons_meta_box_content' ), $this->token, 'normal', 'default' );
+		add_meta_box('course-lessons', __('Course Lessons', 'woothemes-sensei'), array($this, 'course_lessons_meta_box_content'), $this->token, 'normal', 'default');
         // Add Meta Box to link to Manage Learners
-        add_meta_box( 'course-manage', __( 'Course Management', 'woothemes-sensei' ), array( $this, 'course_manage_meta_box_content' ), $this->token, 'side', 'default' );
+        add_meta_box('course-manage', __('Course Management', 'woothemes-sensei'), array($this, 'course_manage_meta_box_content'), $this->token, 'side', 'default');
         // Remove "Custom Settings" meta box.
-		remove_meta_box( 'woothemes-settings', $this->token, 'normal' );
+		remove_meta_box('woothemes-settings', $this->token, 'normal');
 
         // add Disable email notification box
-        add_meta_box( 'course-notifications', __( 'Course Notifications', 'woothemes-sensei' ), array( $this, 'course_notification_meta_box_content' ), 'course', 'normal', 'default' );
+        add_meta_box('course-notifications', __('Course Notifications', 'woothemes-sensei'), array($this, 'course_notification_meta_box_content'), 'course', 'normal', 'default');
 
 	} // End meta_box_setup()
 
@@ -167,58 +167,58 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function course_woocommerce_product_meta_box_content () {
+	public function course_woocommerce_product_meta_box_content() {
 		global $post;
 
-		$select_course_woocommerce_product = get_post_meta( $post->ID, '_course_woocommerce_product', true );
+		$select_course_woocommerce_product = get_post_meta($post->ID, '_course_woocommerce_product', true);
 
-		$post_args = array(	'post_type' 		=> array( 'product', 'product_variation' ),
+		$post_args = array('post_type' 		=> array('product', 'product_variation'),
 							'posts_per_page' 		=> -1,
 							'orderby'         	=> 'title',
     						'order'           	=> 'DESC',
     						'exclude' 			=> $post->ID,
-    						'post_status'		=> array( 'publish', 'private', 'draft' ),
+    						'post_status'		=> array('publish', 'private', 'draft'),
     						'tax_query'			=> array(
 								array(
 									'taxonomy'	=> 'product_type',
 									'field'		=> 'slug',
-									'terms'		=> array( 'variable', 'grouped' ),
+									'terms'		=> array('variable', 'grouped'),
 									'operator'	=> 'NOT IN'
 								)
 							),
 							'suppress_filters' 	=> 0
 							);
-		$posts_array = get_posts( $post_args );
+		$posts_array = get_posts($post_args);
 
 		$html = '';
 
-		$html .= '<input type="hidden" name="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" id="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
+		$html .= '<input type="hidden" name="'.esc_attr('woo_'.$this->token.'_noonce').'" id="'.esc_attr('woo_'.$this->token.'_noonce').'" value="'.esc_attr(wp_create_nonce(plugin_basename(__FILE__))).'" />';
 
-		if ( count( $posts_array ) > 0 ) {
+		if (count($posts_array) > 0) {
 
-			$html .= '<select id="course-woocommerce-product-options" name="course_woocommerce_product" class="chosen_select widefat">' . "\n";
-			$html .= '<option value="-">' . __( 'None', 'woothemes-sensei' ) . '</option>';
+			$html .= '<select id="course-woocommerce-product-options" name="course_woocommerce_product" class="chosen_select widefat">'."\n";
+			$html .= '<option value="-">'.__('None', 'woothemes-sensei').'</option>';
 				$prev_parent_id = 0;
-				foreach ( $posts_array as $post_item ) {
+				foreach ($posts_array as $post_item) {
 
-					if ( 'product_variation' == $post_item->post_type ) {
+					if ('product_variation' == $post_item->post_type) {
 
-						$product_object = get_product( $post_item->ID );
-						$parent_id = wp_get_post_parent_id( $post_item->ID );
+						$product_object = get_product($post_item->ID);
+						$parent_id = wp_get_post_parent_id($post_item->ID);
 
-                        if( sensei_check_woocommerce_version( '2.1' ) ) {
-							$formatted_variation = wc_get_formatted_variation( $product_object->variation_data, true );
+                        if (sensei_check_woocommerce_version('2.1')) {
+							$formatted_variation = wc_get_formatted_variation($product_object->variation_data, true);
 
 						} else {
                             // fall back to pre wc 2.1
-							$formatted_variation = woocommerce_get_formatted_variation( $product_object->variation_data, true );
+							$formatted_variation = woocommerce_get_formatted_variation($product_object->variation_data, true);
 
 						}
 
-                        $product_name = ucwords( $formatted_variation );
-                        if( empty( $product_name ) ){
+                        $product_name = ucwords($formatted_variation);
+                        if (empty($product_name)) {
 
-                            $product_name = __( 'Variation #', 'woothemes-sensei' ) . $product_object->variation_id;
+                            $product_name = __('Variation #', 'woothemes-sensei').$product_object->variation_id;
 
                         }
 
@@ -231,47 +231,47 @@ 
 					}
 
 					// Show variations in groups
-					if( $parent_id && $parent_id != $prev_parent_id ) {
+					if ($parent_id && $parent_id != $prev_parent_id) {
 
-						if( 0 != $prev_parent_id ) {
+						if (0 != $prev_parent_id) {
 
 							$html .= '</optgroup>';
 
 						}
-						$html .= '<optgroup label="' . get_the_title( $parent_id ) . '">';
+						$html .= '<optgroup label="'.get_the_title($parent_id).'">';
 						$prev_parent_id = $parent_id;
 
-					} elseif( ! $parent_id && 0 == $prev_parent_id ) {
+					} elseif ( ! $parent_id && 0 == $prev_parent_id) {
 
 						$html .= '</optgroup>';
 
 					}
 
-					$html .= '<option value="' . esc_attr( absint( $post_item->ID ) ) . '"' . selected( $post_item->ID, $select_course_woocommerce_product, false ) . '>' . esc_html( $product_name ) . '</option>' . "\n";
+					$html .= '<option value="'.esc_attr(absint($post_item->ID)).'"'.selected($post_item->ID, $select_course_woocommerce_product, false).'>'.esc_html($product_name).'</option>'."\n";
 
 				} // End For Loop
 
-			$html .= '</select>' . "\n";
-			if ( current_user_can( 'publish_product' )) {
+			$html .= '</select>'."\n";
+			if (current_user_can('publish_product')) {
 
-				$html .= '<p>' . "\n";
-					$html .= '<a href="' . admin_url( 'post-new.php?post_type=product' ) . '" title="' . esc_attr( __( 'Add a Product', 'woothemes-sensei' ) ) . '">' . __( 'Add a Product', 'woothemes-sensei' ) . '</a>' . "\n";
+				$html .= '<p>'."\n";
+					$html .= '<a href="'.admin_url('post-new.php?post_type=product').'" title="'.esc_attr(__('Add a Product', 'woothemes-sensei')).'">'.__('Add a Product', 'woothemes-sensei').'</a>'."\n";
 				$html .= '</p>'."\n";
 
 			} // End If Statement
 
 		} else {
 
-			if ( current_user_can( 'publish_product' )) {
+			if (current_user_can('publish_product')) {
 
-				$html .= '<p>' . "\n";
-					$html .= esc_html( __( 'No products exist yet.', 'woothemes-sensei' ) ) . '&nbsp;<a href="' . admin_url( 'post-new.php?post_type=product' ) . '" title="' . esc_attr( __( 'Add a Product', 'woothemes-sensei' ) ) . '">' . __( 'Please add some first', 'woothemes-sensei' ) . '</a>' . "\n";
+				$html .= '<p>'."\n";
+					$html .= esc_html(__('No products exist yet.', 'woothemes-sensei')).'&nbsp;<a href="'.admin_url('post-new.php?post_type=product').'" title="'.esc_attr(__('Add a Product', 'woothemes-sensei')).'">'.__('Please add some first', 'woothemes-sensei').'</a>'."\n";
 				$html .= '</p>'."\n";
 
 			} else {
 
-                $html .= '<p>' . "\n";
-					$html .= esc_html( __( 'No products exist yet.', 'woothemes-sensei' ) ) . "\n";
+                $html .= '<p>'."\n";
+					$html .= esc_html(__('No products exist yet.', 'woothemes-sensei'))."\n";
 				$html .= '</p>'."\n";
 
 			} // End If Statement
@@ -288,33 +288,33 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function course_prerequisite_meta_box_content () {
+	public function course_prerequisite_meta_box_content() {
 		global $post;
 
-		$select_course_prerequisite = get_post_meta( $post->ID, '_course_prerequisite', true );
+		$select_course_prerequisite = get_post_meta($post->ID, '_course_prerequisite', true);
 
-		$post_args = array(	'post_type' 		=> 'course',
+		$post_args = array('post_type' 		=> 'course',
 							'posts_per_page' 		=> -1,
 							'orderby'         	=> 'title',
     						'order'           	=> 'DESC',
     						'exclude' 			=> $post->ID,
 							'suppress_filters' 	=> 0
 							);
-		$posts_array = get_posts( $post_args );
+		$posts_array = get_posts($post_args);
 
 		$html = '';
 
-		$html .= '<input type="hidden" name="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" id="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
+		$html .= '<input type="hidden" name="'.esc_attr('woo_'.$this->token.'_noonce').'" id="'.esc_attr('woo_'.$this->token.'_noonce').'" value="'.esc_attr(wp_create_nonce(plugin_basename(__FILE__))).'" />';
 
-		if ( count( $posts_array ) > 0 ) {
-			$html .= '<select id="course-prerequisite-options" name="course_prerequisite" class="chosen_select widefat">' . "\n";
-			$html .= '<option value="">' . __( 'None', 'woothemes-sensei' ) . '</option>';
-				foreach ($posts_array as $post_item){
-					$html .= '<option value="' . esc_attr( absint( $post_item->ID ) ) . '"' . selected( $post_item->ID, $select_course_prerequisite, false ) . '>' . esc_html( $post_item->post_title ) . '</option>' . "\n";
+		if (count($posts_array) > 0) {
+			$html .= '<select id="course-prerequisite-options" name="course_prerequisite" class="chosen_select widefat">'."\n";
+			$html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>';
+				foreach ($posts_array as $post_item) {
+					$html .= '<option value="'.esc_attr(absint($post_item->ID)).'"'.selected($post_item->ID, $select_course_prerequisite, false).'>'.esc_html($post_item->post_title).'</option>'."\n";
 				} // End For Loop
-			$html .= '</select>' . "\n";
+			$html .= '</select>'."\n";
 		} else {
-			$html .= '<p>' . esc_html( __( 'No courses exist yet. Please add some first.', 'woothemes-sensei' ) ) . '</p>';
+			$html .= '<p>'.esc_html(__('No courses exist yet. Please add some first.', 'woothemes-sensei')).'</p>';
 		} // End If Statement
 
 		echo $html;
@@ -327,21 +327,21 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function course_featured_meta_box_content () {
+	public function course_featured_meta_box_content() {
 		global $post;
 
-		$course_featured = get_post_meta( $post->ID, '_course_featured', true );
+		$course_featured = get_post_meta($post->ID, '_course_featured', true);
 
 		$html = '';
 
-		$html .= '<input type="hidden" name="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" id="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
+		$html .= '<input type="hidden" name="'.esc_attr('woo_'.$this->token.'_noonce').'" id="'.esc_attr('woo_'.$this->token.'_noonce').'" value="'.esc_attr(wp_create_nonce(plugin_basename(__FILE__))).'" />';
 
 		$checked = '';
-		if ( isset( $course_featured ) && ( '' != $course_featured ) ) {
-	 	    $checked = checked( 'featured', $course_featured, false );
+		if (isset($course_featured) && ('' != $course_featured)) {
+	 	    $checked = checked('featured', $course_featured, false);
 	 	} // End If Statement
 
-	 	$html .= '<input type="checkbox" name="course_featured" value="featured" ' . $checked . '>&nbsp;' . __( 'Feature this course', 'woothemes-sensei' ) . '<br>';
+	 	$html .= '<input type="checkbox" name="course_featured" value="featured" '.$checked.'>&nbsp;'.__('Feature this course', 'woothemes-sensei').'<br>';
 
 		echo $html;
 
@@ -353,16 +353,16 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function course_video_meta_box_content () {
+	public function course_video_meta_box_content() {
 		global $post;
 
-		$course_video_embed = get_post_meta( $post->ID, '_course_video_embed', true );
+		$course_video_embed = get_post_meta($post->ID, '_course_video_embed', true);
 
 		$html = '';
 
-		$html .= '<label class="screen-reader-text" for="course_video_embed">' . __( 'Video Embed Code', 'woothemes-sensei' ) . '</label>';
-		$html .= '<textarea rows="5" cols="50" name="course_video_embed" tabindex="6" id="course-video-embed">' . $course_video_embed . '</textarea>';
-		$html .= '<p>' .  __( 'Paste the embed code for your video (e.g. YouTube, Vimeo etc.) in the box above.', 'woothemes-sensei' ) . '</p>';
+		$html .= '<label class="screen-reader-text" for="course_video_embed">'.__('Video Embed Code', 'woothemes-sensei').'</label>';
+		$html .= '<textarea rows="5" cols="50" name="course_video_embed" tabindex="6" id="course-video-embed">'.$course_video_embed.'</textarea>';
+		$html .= '<p>'.__('Paste the embed code for your video (e.g. YouTube, Vimeo etc.) in the box above.', 'woothemes-sensei').'</p>';
 
 		echo $html;
 
@@ -377,36 +377,36 @@ 
 	 * @param int $post_id
 	 * @return int
 	 */
-	public function meta_box_save ( $post_id ) {
+	public function meta_box_save($post_id) {
 		global $post;
 
 		/* Verify the nonce before proceeding. */
-		if ( ( get_post_type() != $this->token ) || ! wp_verify_nonce( $_POST['woo_' . $this->token . '_noonce'], plugin_basename(__FILE__) ) ) {
+		if ((get_post_type() != $this->token) || ! wp_verify_nonce($_POST['woo_'.$this->token.'_noonce'], plugin_basename(__FILE__))) {
 			return $post_id;
 		}
 
 		/* Get the post type object. */
-		$post_type = get_post_type_object( $post->post_type );
+		$post_type = get_post_type_object($post->post_type);
 
 		/* Check if the current user has permission to edit the post. */
-		if ( !current_user_can( $post_type->cap->edit_post, $post_id ) ) {
+		if ( ! current_user_can($post_type->cap->edit_post, $post_id)) {
 			return $post_id;
 		} // End If Statement
 
-		if ( 'page' == $_POST['post_type'] ) {
-			if ( ! current_user_can( 'edit_page', $post_id ) ) {
+		if ('page' == $_POST['post_type']) {
+			if ( ! current_user_can('edit_page', $post_id)) {
 				return $post_id;
 			} // End If Statement
 		} else {
-			if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			if ( ! current_user_can('edit_post', $post_id)) {
 				return $post_id;
 			} // End If Statement
 		} // End If Statement
 
 		// Save the post meta data fields
-		if ( isset($this->meta_fields) && is_array($this->meta_fields) ) {
-			foreach ( $this->meta_fields as $meta_key ) {
-				$this->save_post_meta( $meta_key, $post_id );
+		if (isset($this->meta_fields) && is_array($this->meta_fields)) {
+			foreach ($this->meta_fields as $meta_key) {
+				$this->save_post_meta($meta_key, $post_id);
 			} // End For Loop
 		} // End If Statement
 
@@ -423,18 +423,18 @@ 
 	 * @param int $post_id (default: 0)
 	 * @return int new meta id | bool meta value saved status
 	 */
-	private function save_post_meta( $post_key = '', $post_id = 0 ) {
+	private function save_post_meta($post_key = '', $post_id = 0) {
 		// Get the meta key.
-		$meta_key = '_' . $post_key;
+		$meta_key = '_'.$post_key;
 		// Get the posted data and sanitize it for use as an HTML class.
-		if ( 'course_video_embed' == $post_key) {
-			$new_meta_value = esc_html( $_POST[$post_key] );
+		if ('course_video_embed' == $post_key) {
+			$new_meta_value = esc_html($_POST[$post_key]);
 		} else {
-			$new_meta_value = ( isset( $_POST[$post_key] ) ? sanitize_html_class( $_POST[$post_key] ) : '' );
+			$new_meta_value = (isset($_POST[$post_key]) ? sanitize_html_class($_POST[$post_key]) : '');
 		} // End If Statement
 
         // update field with the new value
-        return update_post_meta( $post_id, $meta_key, $new_meta_value );
+        return update_post_meta($post_id, $meta_key, $new_meta_value);
 
 	} // End save_post_meta()
 
@@ -444,31 +444,31 @@ 
 	 * @access public
 	 * @return void
 	 */
-	public function course_lessons_meta_box_content () {
+	public function course_lessons_meta_box_content() {
 
 		global $post;
 
 		// Setup Lesson Query
 		$posts_array = array();
-		if ( 0 < $post->ID ) {
+		if (0 < $post->ID) {
 
-			$posts_array = $this->course_lessons( $post->ID, 'any' );
+			$posts_array = $this->course_lessons($post->ID, 'any');
 
 		} // End If Statement
 
 		$html = '';
-		$html .= '<input type="hidden" name="' . esc_attr( 'woo_' . $this->token . '_noonce' ) . '" id="'
-                 . esc_attr( 'woo_' . $this->token . '_noonce' )
-                 . '" value="' . esc_attr( wp_create_nonce( plugin_basename(__FILE__) ) ) . '" />';
+		$html .= '<input type="hidden" name="'.esc_attr('woo_'.$this->token.'_noonce').'" id="'
+                 . esc_attr('woo_'.$this->token.'_noonce')
+                 . '" value="'.esc_attr(wp_create_nonce(plugin_basename(__FILE__))).'" />';
 
-		if ( count( $posts_array ) > 0 ) {
+		if (count($posts_array) > 0) {
 
-			foreach ($posts_array as $post_item){
+			foreach ($posts_array as $post_item) {
 
 				$html .= '<p>'."\n";
 
 					$html .= $post_item->post_title."\n";
-					$html .= '<a href="' . esc_url( get_edit_post_link( $post_item->ID ) ) . '" title="' . esc_attr( sprintf( __( 'Edit %s', 'woothemes-sensei' ), $post_item->post_title ) ) . '" class="edit-lesson-action">' . __( 'Edit this lesson', 'woothemes-sensei' ) . '</a>';
+					$html .= '<a href="'.esc_url(get_edit_post_link($post_item->ID)).'" title="'.esc_attr(sprintf(__('Edit %s', 'woothemes-sensei'), $post_item->post_title)).'" class="edit-lesson-action">'.__('Edit this lesson', 'woothemes-sensei').'</a>';
 
 				$html .= '</p>'."\n";
 
@@ -476,12 +476,12 @@ 
 
 		} else {
 			$course_id = '';
-			if ( 0 < $post->ID ) { $course_id = '&course_id=' . $post->ID; }
-			$html .= '<p>' . esc_html( __( 'No lessons exist yet for this course.', 'woothemes-sensei' ) ) . "\n";
+			if (0 < $post->ID) { $course_id = '&course_id='.$post->ID; }
+			$html .= '<p>'.esc_html(__('No lessons exist yet for this course.', 'woothemes-sensei'))."\n";
 
-				$html .= '<a href="' . admin_url( 'post-new.php?post_type=lesson' . $course_id )
-                         . '" title="' . esc_attr( __( 'Add a Lesson', 'woothemes-sensei' ) ) . '">'
-                         . __( 'Please add some.', 'woothemes-sensei' ) . '</a>' . "\n";
+				$html .= '<a href="'.admin_url('post-new.php?post_type=lesson'.$course_id)
+                         . '" title="'.esc_attr(__('Add a Lesson', 'woothemes-sensei')).'">'
+                         . __('Please add some.', 'woothemes-sensei').'</a>'."\n";
 
 			$html .= '</p>'."\n";
 		} // End If Statement
@@ -498,12 +498,12 @@ 
      * @return void
      */
 
-    public function course_manage_meta_box_content () {
+    public function course_manage_meta_box_content() {
         global $post;
         
-        $manage_url = esc_url( add_query_arg( array( 'page' => 'sensei_learners', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
+        $manage_url = esc_url(add_query_arg(array('page' => 'sensei_learners', 'course_id' => $post->ID, 'view' => 'learners'), admin_url('admin.php')));
 
-        $grading_url = esc_url( add_query_arg( array( 'page' => 'sensei_grading', 'course_id' => $post->ID, 'view' => 'learners' ), admin_url( 'admin.php') ) );
+        $grading_url = esc_url(add_query_arg(array('page' => 'sensei_grading', 'course_id' => $post->ID, 'view' => 'learners'), admin_url('admin.php')));
 
 
         echo "<ul><li><a href='$manage_url'>".__("Manage Learners", 'woothemes-sensei')."</a></li>";
@@ -521,16 +521,16 @@ 
 	 * @param  array $defaults
 	 * @return array $new_columns
 	 */
-	public function add_column_headings ( $defaults ) {
+	public function add_column_headings($defaults) {
 		$new_columns['cb'] = '<input type="checkbox" />';
 		// $new_columns['id'] = __( 'ID' );
-		$new_columns['title'] = _x( 'Course Title', 'column name', 'woothemes-sensei' );
-		$new_columns['course-prerequisite'] = _x( 'Pre-requisite Course', 'column name', 'woothemes-sensei' );
-		if ( Sensei_WC::is_woocommerce_active() ) {
-			$new_columns['course-woocommerce-product'] = _x( 'WooCommerce Product', 'column name', 'woothemes-sensei' );
+		$new_columns['title'] = _x('Course Title', 'column name', 'woothemes-sensei');
+		$new_columns['course-prerequisite'] = _x('Pre-requisite Course', 'column name', 'woothemes-sensei');
+		if (Sensei_WC::is_woocommerce_active()) {
+			$new_columns['course-woocommerce-product'] = _x('WooCommerce Product', 'column name', 'woothemes-sensei');
 		} // End If Statement
-		$new_columns['course-category'] = _x( 'Category', 'column name', 'woothemes-sensei' );
-		if ( isset( $defaults['date'] ) ) {
+		$new_columns['course-category'] = _x('Category', 'column name', 'woothemes-sensei');
+		if (isset($defaults['date'])) {
 			$new_columns['date'] = $defaults['date'];
 		}
 
@@ -545,45 +545,45 @@ 
 	 * @param  int $id
 	 * @return void
 	 */
-	public function add_column_data ( $column_name, $id ) {
+	public function add_column_data($column_name, $id) {
 		global $wpdb, $post;
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 			case 'id':
 				echo $id;
 			break;
 
 			case 'course-prerequisite':
-				$course_prerequisite_id = get_post_meta( $id, '_course_prerequisite', true);
-				if ( 0 < absint( $course_prerequisite_id ) ) { echo '<a href="' . esc_url( get_edit_post_link( absint( $course_prerequisite_id ) ) ) . '" title="' . esc_attr( sprintf( __( 'Edit %s', 'woothemes-sensei' ), get_the_title( absint( $course_prerequisite_id ) ) ) ) . '">' . get_the_title( absint( $course_prerequisite_id ) ) . '</a>'; }
+				$course_prerequisite_id = get_post_meta($id, '_course_prerequisite', true);
+				if (0 < absint($course_prerequisite_id)) { echo '<a href="'.esc_url(get_edit_post_link(absint($course_prerequisite_id))).'" title="'.esc_attr(sprintf(__('Edit %s', 'woothemes-sensei'), get_the_title(absint($course_prerequisite_id)))).'">'.get_the_title(absint($course_prerequisite_id)).'</a>'; }
 
 			break;
 
 			case 'course-woocommerce-product':
-				if ( Sensei_WC::is_woocommerce_active() ) {
-					$course_woocommerce_product_id = get_post_meta( $id, '_course_woocommerce_product', true);
-					if ( 0 < absint( $course_woocommerce_product_id ) ) {
-						if ( 'product_variation' == get_post_type( $course_woocommerce_product_id ) ) {
-							$product_object = get_product( $course_woocommerce_product_id );
-							if( sensei_check_woocommerce_version( '2.1' ) ) {
-								$formatted_variation = wc_get_formatted_variation( $product_object->variation_data, true );
+				if (Sensei_WC::is_woocommerce_active()) {
+					$course_woocommerce_product_id = get_post_meta($id, '_course_woocommerce_product', true);
+					if (0 < absint($course_woocommerce_product_id)) {
+						if ('product_variation' == get_post_type($course_woocommerce_product_id)) {
+							$product_object = get_product($course_woocommerce_product_id);
+							if (sensei_check_woocommerce_version('2.1')) {
+								$formatted_variation = wc_get_formatted_variation($product_object->variation_data, true);
 							} else {
-								$formatted_variation = woocommerce_get_formatted_variation( $product_object->variation_data, true );
+								$formatted_variation = woocommerce_get_formatted_variation($product_object->variation_data, true);
 							}
 							$course_woocommerce_product_id = $product_object->parent->post->ID;
-							$product_name = $product_object->parent->post->post_title . '<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;' . ucwords( $formatted_variation );
+							$product_name = $product_object->parent->post->post_title.'<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.ucwords($formatted_variation);
 						} else {
-							$product_name = get_the_title( absint( $course_woocommerce_product_id ) );
+							$product_name = get_the_title(absint($course_woocommerce_product_id));
 						} // End If Statement
-						echo '<a href="' . esc_url( get_edit_post_link( absint( $course_woocommerce_product_id ) ) ) . '" title="' . esc_attr( sprintf( __( 'Edit %s', 'woothemes-sensei' ), $product_name ) ) . '">' . $product_name . '</a>';
+						echo '<a href="'.esc_url(get_edit_post_link(absint($course_woocommerce_product_id))).'" title="'.esc_attr(sprintf(__('Edit %s', 'woothemes-sensei'), $product_name)).'">'.$product_name.'</a>';
 					} // End If Statement
 				} // End If Statement
 			break;
 
 			case 'course-category':
-				$output = get_the_term_list( $id, 'course-category', '', ', ', '' );
-				if ( '' == $output ) {
-					$output = __( 'None', 'woothemes-sensei' );
+				$output = get_the_term_list($id, 'course-category', '', ', ', '');
+				if ('' == $output) {
+					$output = __('None', 'woothemes-sensei');
 				} // End If Statement
 				echo $output;
 			break;
@@ -603,29 +603,29 @@ 
 	 * @param array $includes (default: array())
 	 * @return array
 	 */
-	public function course_query( $amount = 0, $type = 'default', $includes = array(), $excludes = array() ) {
-		global $my_courses_page ;
+	public function course_query($amount = 0, $type = 'default', $includes = array(), $excludes = array()) {
+		global $my_courses_page;
 
 		$results_array = array();
 
-		if( $my_courses_page ) { add_action( 'pre_get_posts', array( $this, 'filter_my_courses' ) ); }
+		if ($my_courses_page) { add_action('pre_get_posts', array($this, 'filter_my_courses')); }
 
-		$post_args = $this->get_archive_query_args( $type, $amount, $includes, $excludes );
+		$post_args = $this->get_archive_query_args($type, $amount, $includes, $excludes);
 
 		// get the posts
-		if( empty( $post_args ) ) {
+		if (empty($post_args)) {
 
 			return $results_array;
 
-		}else{
+		} else {
 
 			//reset the pagination as this widgets do not need it
 			$post_args['paged'] = 1;
-			$results_array = get_posts( $post_args );
+			$results_array = get_posts($post_args);
 
 		}
 
-		if( $my_courses_page ) { remove_action( 'pre_get_posts', array( $this, 'filter_my_courses' ) ); }
+		if ($my_courses_page) { remove_action('pre_get_posts', array($this, 'filter_my_courses')); }
 
 		return $results_array;
 
@@ -641,22 +641,22 @@ 
 	 * @param array $includes (default: array())
 	 * @return array
 	 */
-	public function get_archive_query_args( $type = '', $amount = 0 , $includes = array(), $excludes = array() ) {
+	public function get_archive_query_args($type = '', $amount = 0, $includes = array(), $excludes = array()) {
 
 		global $wp_query;
 
-		if ( 0 == $amount && ( isset( Sensei()->settings->settings[ 'course_archive_amount' ] ) && 'usercourses' != $type && ( 0 < absint( Sensei()->settings->settings[ 'course_archive_amount' ] ) ) ) ) {
-			$amount = absint( Sensei()->settings->settings[ 'course_archive_amount' ] );
+		if (0 == $amount && (isset(Sensei()->settings->settings['course_archive_amount']) && 'usercourses' != $type && (0 < absint(Sensei()->settings->settings['course_archive_amount'])))) {
+			$amount = absint(Sensei()->settings->settings['course_archive_amount']);
 		} else {
-			if ( 0 == $amount) {
-				$amount = $wp_query->get( 'posts_per_page' );
+			if (0 == $amount) {
+				$amount = $wp_query->get('posts_per_page');
 			} // End If Statement
 		} // End If Statement
 
-        $stored_order = get_option( 'sensei_course_order', '' );
+        $stored_order = get_option('sensei_course_order', '');
         $order = 'ASC';
         $orderby = 'menu_order';
-        if( empty( $stored_order ) ){
+        if (empty($stored_order)) {
 
             $order = 'DESC';
             $orderby = 'date';
@@ -666,7 +666,7 @@ 
 		switch ($type) {
 
 			case 'usercourses':
-				$post_args = array(	'post_type' 		=> 'course',
+				$post_args = array('post_type' 		=> 'course',
 									'orderby'         	=> $orderby,
     								'order'           	=> $order,
     								'post_status'      	=> 'publish',
@@ -707,7 +707,7 @@ 
 				break;
 
 			case 'featuredcourses':
-                $post_args = array(	'post_type' 		=> 'course',
+                $post_args = array('post_type' 		=> 'course',
                                     'orderby'         	=> $orderby,
                                     'order'           	=> $order,
     								'post_status'      	=> 'publish',
@@ -719,7 +719,7 @@ 
 									);
 				break;
 			default:
-				$post_args = array(	'post_type' 		=> 'course',
+				$post_args = array('post_type' 		=> 'course',
                                     'orderby'         	=> $orderby,
                                     'order'           	=> $order,
     								'post_status'      	=> 'publish',
@@ -731,13 +731,13 @@ 
 		}
 
         $post_args['posts_per_page'] = $amount;
-        $paged = $wp_query->get( 'paged' );
-        $post_args['paged'] = empty( $paged) ? 1 : $paged;
+        $paged = $wp_query->get('paged');
+        $post_args['paged'] = empty($paged) ? 1 : $paged;
 
-        if( 'newcourses' == $type ){
+        if ('newcourses' == $type) {
 
-            $post_args[ 'orderby' ] = 'date';
-            $post_args[ 'order' ] = 'DESC';
+            $post_args['orderby'] = 'date';
+            $post_args['order'] = 'DESC';
         }
 
 		return $post_args;
@@ -759,35 +759,35 @@ 
      *
 	 * @return string | void
 	 */
-	public function course_image( $course_id = 0, $width = '100', $height = '100', $return = false ) {
+	public function course_image($course_id = 0, $width = '100', $height = '100', $return = false) {
 
-        if( is_a( $course_id, 'WP_Post' ) ){
+        if (is_a($course_id, 'WP_Post')) {
             $course_id = $course_id->ID;
         }
 
 		$html = '';
 
 		// Get Width and Height settings
-		if ( ( $width == '100' ) && ( $height == '100' ) ) {
+		if (($width == '100') && ($height == '100')) {
 
-			if ( is_singular( 'course' ) ) {
+			if (is_singular('course')) {
 
-				if ( !Sensei()->settings->settings[ 'course_single_image_enable' ] ) {
+				if ( ! Sensei()->settings->settings['course_single_image_enable']) {
 					return '';
 				} // End If Statement
 				$image_thumb_size = 'course_single_image';
-				$dimensions = Sensei()->get_image_size( $image_thumb_size );
+				$dimensions = Sensei()->get_image_size($image_thumb_size);
 				$width = $dimensions['width'];
 				$height = $dimensions['height'];
 
 			} else {
 
-				if ( !Sensei()->settings->settings[ 'course_archive_image_enable' ] ) {
+				if ( ! Sensei()->settings->settings['course_archive_image_enable']) {
 					return '';
 				} // End If Statement
 
 				$image_thumb_size = 'course_archive_image';
-				$dimensions = Sensei()->get_image_size( $image_thumb_size );
+				$dimensions = Sensei()->get_image_size($image_thumb_size);
 				$width = $dimensions['width'];
 				$height = $dimensions['height'];
 
@@ -796,31 +796,31 @@ 
 		} // End If Statement
 
 		$img_url = '';
-		if ( has_post_thumbnail( $course_id ) ) {
+		if (has_post_thumbnail($course_id)) {
    			// Get Featured Image
-   			$img_url = get_the_post_thumbnail( $course_id, array( $width, $height ), array( 'class' => 'woo-image thumbnail alignleft') );
+   			$img_url = get_the_post_thumbnail($course_id, array($width, $height), array('class' => 'woo-image thumbnail alignleft'));
  		} else {
 
 			// Check for a Lesson Image
-			$course_lessons = $this->course_lessons( $course_id );
+			$course_lessons = $this->course_lessons($course_id);
 
-			foreach ($course_lessons as $lesson_item){
-				if ( has_post_thumbnail( $lesson_item->ID ) ) {
+			foreach ($course_lessons as $lesson_item) {
+				if (has_post_thumbnail($lesson_item->ID)) {
 					// Get Featured Image
-					$img_url = get_the_post_thumbnail( $lesson_item->ID, array( $width, $height ), array( 'class' => 'woo-image thumbnail alignleft') );
-					if ( '' != $img_url ) {
+					$img_url = get_the_post_thumbnail($lesson_item->ID, array($width, $height), array('class' => 'woo-image thumbnail alignleft'));
+					if ('' != $img_url) {
 						break;
 					} // End If Statement
 
 				} // End If Statement
 			} // End For Loop
 
- 			if ( '' == $img_url ) {
+ 			if ('' == $img_url) {
 
  				// Display Image Placeholder if none
-				if ( Sensei()->settings->get( 'placeholder_images_enable' ) ) {
+				if (Sensei()->settings->get('placeholder_images_enable')) {
 
-                    $img_url = apply_filters( 'sensei_course_placeholder_image_url', '<img src="http://placehold.it/' . $width . 'x' . $height . '" class="woo-image thumbnail alignleft" />' );
+                    $img_url = apply_filters('sensei_course_placeholder_image_url', '<img src="http://placehold.it/'.$width.'x'.$height.'" class="woo-image thumbnail alignleft" />');
 
 				} // End If Statement
 
@@ -828,17 +828,17 @@ 
 
 		} // End If Statement
 
-		if ( '' != $img_url ) {
+		if ('' != $img_url) {
 
-			$html .= '<a href="' . get_permalink( $course_id ) . '" title="' . esc_attr( get_post_field( 'post_title', $course_id ) ) . '">' . $img_url  .'</a>';
+			$html .= '<a href="'.get_permalink($course_id).'" title="'.esc_attr(get_post_field('post_title', $course_id)).'">'.$img_url.'</a>';
 
 		} // End If Statement
 
-        if( $return ){
+        if ($return) {
 
             return $html;
 
-        }else{
+        } else {
 
             echo $html;
 
@@ -855,9 +855,9 @@ 
 	 * @param string $post_status (default: 'publish')
 	 * @return int
 	 */
-	public function course_count( $post_status = 'publish' ) {
+	public function course_count($post_status = 'publish') {
 
-		$post_args = array(	'post_type'         => 'course',
+		$post_args = array('post_type'         => 'course',
 							'posts_per_page'    => -1,
 //							'orderby'           => 'menu_order date',
 //							'order'             => 'ASC',
@@ -868,10 +868,10 @@ 
 
 		// Allow WP to generate the complex final query, just shortcut to only do an overall count
 //		add_filter( 'posts_clauses', array( 'WooThemes_Sensei_Utils', 'get_posts_count_only_filter' ) );
-		$courses_query = new WP_Query( apply_filters( 'sensei_course_count', $post_args ) );
+		$courses_query = new WP_Query(apply_filters('sensei_course_count', $post_args));
 //		remove_filter( 'posts_clauses', array( 'WooThemes_Sensei_Utils', 'get_posts_count_only_filter' ) );
 
-		return count( $courses_query->posts );
+		return count($courses_query->posts);
 	} // End course_count()
 
 
@@ -884,42 +884,42 @@ 
 	 * @param string $fields (default: 'all'). WP only allows 3 types, but we will limit it to only 'ids' or 'all'
 	 * @return array{ type WP_Post }  $posts_array
 	 */
-	public function course_lessons( $course_id = 0, $post_status = 'publish', $fields = 'all' ) {
+	public function course_lessons($course_id = 0, $post_status = 'publish', $fields = 'all') {
 
-        if( is_a( $course_id, 'WP_Post' ) ){
+        if (is_a($course_id, 'WP_Post')) {
             $course_id = $course_id->ID;
         }
 
-		$post_args = array(	'post_type'         => 'lesson',
+		$post_args = array('post_type'         => 'lesson',
 							'posts_per_page'       => -1,
 							'orderby'           => 'date',
 							'order'             => 'ASC',
 							'meta_query'        => array(
 								array(
 									'key' => '_lesson_course',
-									'value' => intval( $course_id ),
+									'value' => intval($course_id),
 								),
 							),
 							'post_status'       => $post_status,
 							'suppress_filters'  => 0,
 							);
-		$query_results = new WP_Query( $post_args );
+		$query_results = new WP_Query($post_args);
         $lessons = $query_results->posts;
 
         // re order the lessons. This could not be done via the OR meta query as there may be lessons
         // with the course order for a different course and this should not be included. It could also not
         // be done via the AND meta query as it excludes lesson that does not have the _order_$course_id but
         // that have been added to the course.
-        if( count( $lessons) > 1  ){
+        if (count($lessons) > 1) {
 
-            foreach( $lessons as $lesson ){
+            foreach ($lessons as $lesson) {
 
-                $order = intval( get_post_meta( $lesson->ID, '_order_'. $course_id, true ) );
+                $order = intval(get_post_meta($lesson->ID, '_order_'.$course_id, true));
                 // for lessons with no order set it to be 10000 so that it show up at the end
                 $lesson->course_order = $order ? $order : 100000;
             }
 
-            uasort( $lessons, array( $this, '_short_course_lessons_callback' )   );
+            uasort($lessons, array($this, '_short_course_lessons_callback'));
         }
 
         /**
@@ -930,12 +930,12 @@ 
          * @param array $lessons
          * @param int $course_id
          */
-        $lessons = apply_filters( 'sensei_course_get_lessons', $lessons, $course_id  );
+        $lessons = apply_filters('sensei_course_get_lessons', $lessons, $course_id);
 
         //return the requested fields
         // runs after the sensei_course_get_lessons filter so the filter always give an array of lesson
         // objects
-        if( 'ids' == $fields ) {
+        if ('ids' == $fields) {
             $lesson_objects = $lessons;
             $lessons = array();
 
@@ -957,9 +957,9 @@ 
      * @param array $lesson_2
      * @return int
      */
-    protected function _short_course_lessons_callback( $lesson_1, $lesson_2 ){
+    protected function _short_course_lessons_callback($lesson_1, $lesson_2) {
 
-        if ( $lesson_1->course_order == $lesson_2->course_order ) {
+        if ($lesson_1->course_order == $lesson_2->course_order) {
             return 0;
         }
 
@@ -973,21 +973,21 @@ 
 	 * @param  boolean $boolean_check True if a simple yes/no is required
 	 * @return array              Array of quiz post objects
 	 */
-	public function course_quizzes( $course_id = 0, $boolean_check = false ) {
+	public function course_quizzes($course_id = 0, $boolean_check = false) {
 
 
 		$course_quizzes = array();
 
-		if( $course_id ) {
-			$lesson_ids = Sensei()->course->course_lessons( $course_id, 'any', 'ids' );
+		if ($course_id) {
+			$lesson_ids = Sensei()->course->course_lessons($course_id, 'any', 'ids');
 
-			foreach( $lesson_ids as $lesson_id ) {
-				$has_questions = get_post_meta( $lesson_id, '_quiz_has_questions', true );
-				if ( $has_questions && $boolean_check ) {
+			foreach ($lesson_ids as $lesson_id) {
+				$has_questions = get_post_meta($lesson_id, '_quiz_has_questions', true);
+				if ($has_questions && $boolean_check) {
 					return true;
 				}
-				elseif ( $has_questions ) {
-					$quiz_id = Sensei()->lesson->lesson_quizzes( $lesson_id );
+				elseif ($has_questions) {
+					$quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id);
 //					$questions = Sensei()->lesson->lesson_quiz_questions( $quiz_id );
 //					if( count( $questions ) > 0 ) {
 						$course_quizzes[] = $quiz_id;
@@ -995,7 +995,7 @@ 
 				}
 			}
 		}
-		if ( $boolean_check && empty($course_quizzes) ) {
+		if ($boolean_check && empty($course_quizzes)) {
 			$course_quizzes = false;
 		}
 		return $course_quizzes;
@@ -1010,9 +1010,9 @@ 
 	 * @param  string $post_status (default: 'publish')
 	 * @return array
 	 */
-	public function course_lessons_completed( $course_id = 0, $post_status = 'publish' ) {
+	public function course_lessons_completed($course_id = 0, $post_status = 'publish') {
 
-		return $this->course_lessons( $course_id, $post_status );
+		return $this->course_lessons($course_id, $post_status);
 
 	} // End course_lessons_completed()
 
@@ -1025,9 +1025,9 @@ 
 	 * @param  int $course_id (default: 0)
 	 * @return int
 	 */
-	public function course_author_lesson_count( $author_id = 0, $course_id = 0 ) {
+	public function course_author_lesson_count($author_id = 0, $course_id = 0) {
 
-        $lesson_args = array(	'post_type' 		=> 'lesson',
+        $lesson_args = array('post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
 		    					'author'         	=> $author_id,
 		    					'meta_key'        	=> '_lesson_course',
@@ -1036,8 +1036,8 @@ 
     	    					'suppress_filters' 	=> 0,
 								'fields'            => 'ids', // less data to retrieve
 		    				);
-		$lessons_array = get_posts( $lesson_args );
-		$count = count( $lessons_array );
+		$lessons_array = get_posts($lesson_args);
+		$count = count($lessons_array);
 		return $count;
 
 	} // End course_author_lesson_count()
@@ -1049,9 +1049,9 @@ 
 	 * @param  int $course_id (default: 0)
 	 * @return int
 	 */
-	public function course_lesson_count( $course_id = 0 ) {
+	public function course_lesson_count($course_id = 0) {
 
-		$lesson_args = array(	'post_type' 		=> 'lesson',
+		$lesson_args = array('post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
 		    					'meta_key'        	=> '_lesson_course',
     							'meta_value'      	=> $course_id,
@@ -1059,9 +1059,9 @@ 
     	    					'suppress_filters' 	=> 0,
 								'fields'            => 'ids', // less data to retrieve
 		    				);
-		$lessons_array = get_posts( $lesson_args );
+		$lessons_array = get_posts($lesson_args);
 
-        $count = count( $lessons_array );
+        $count = count($lessons_array);
 
         return $count;
 
@@ -1074,9 +1074,9 @@ 
 	 * @param  int $course_id (default: 0)
 	 * @return int
 	 */
-	public function course_lesson_preview_count( $course_id = 0 ) {
+	public function course_lesson_preview_count($course_id = 0) {
 
-		$lesson_args = array(	'post_type' 		=> 'lesson',
+		$lesson_args = array('post_type' 		=> 'lesson',
 								'posts_per_page' 		=> -1,
     	    					'post_status'      	=> 'publish',
     	    					'suppress_filters' 	=> 0,
@@ -1092,9 +1092,9 @@ 
 								),
 								'fields'            => 'ids', // less data to retrieve
 		    				);
-		$lessons_array = get_posts( $lesson_args );
+		$lessons_array = get_posts($lesson_args);
 
-		$count = count( $lessons_array );
+		$count = count($lessons_array);
 
         return $count;
 
@@ -1107,12 +1107,12 @@ 
 	 * @param  int $product_id (default: 0)
 	 * @return array
 	 */
-	public function get_product_courses( $product_id = 0 ) {
+	public function get_product_courses($product_id = 0) {
 
 		$posts_array = array();
 		// Check for WooCommerce
-		if ( Sensei_WC::is_woocommerce_active() && 0 < $product_id ) {
-			$post_args = array(	'post_type' 		=> 'course',
+		if (Sensei_WC::is_woocommerce_active() && 0 < $product_id) {
+			$post_args = array('post_type' 		=> 'course',
 								'posts_per_page' 		=> -1,
 								'meta_key'        	=> '_course_woocommerce_product',
 	    						'meta_value'      	=> $product_id,
@@ -1121,7 +1121,7 @@ 
 								'orderby' 			=> 'menu_order date',
 								'order' 			=> 'ASC',
 								);
-			$posts_array = get_posts( $post_args );
+			$posts_array = get_posts($post_args);
 		} // End If Statement
 		return $posts_array;
 
@@ -1141,17 +1141,17 @@ 
 	 * @param  WP_Query $query
 	 * @return void
 	 */
-	public function filter_my_courses( $query ) {
+	public function filter_my_courses($query) {
 		global  $my_courses_section;
 
-		if ( isset( Sensei()->settings->settings[ 'my_course_amount' ] ) && ( 0 < absint( Sensei()->settings->settings[ 'my_course_amount' ] ) ) ) {
-			$amount = absint( Sensei()->settings->settings[ 'my_course_amount' ] );
-			$query->set( 'posts_per_page', $amount );
+		if (isset(Sensei()->settings->settings['my_course_amount']) && (0 < absint(Sensei()->settings->settings['my_course_amount']))) {
+			$amount = absint(Sensei()->settings->settings['my_course_amount']);
+			$query->set('posts_per_page', $amount);
 		}
 
-		if( isset( $_GET[ $my_courses_section . '_page' ] ) && 0 < intval( $_GET[ $my_courses_section . '_page' ] ) ) {
-			$page = intval( $_GET[ $my_courses_section . '_page' ] );
-			$query->set( 'paged', $page );
+		if (isset($_GET[$my_courses_section.'_page']) && 0 < intval($_GET[$my_courses_section.'_page'])) {
+			$page = intval($_GET[$my_courses_section.'_page']);
+			$query->set('paged', $page);
 		}
 	}
 
@@ -1165,48 +1165,48 @@ 
 	 * @param  boolean $manage Whether the user has permission to manage the courses
 	 * @return string          HTML displayng course data
 	 */
-	public function load_user_courses_content( $user = false ) {
+	public function load_user_courses_content($user = false) {
 		global $course, $my_courses_page, $my_courses_section;
 
-        if( ! isset( Sensei()->settings->settings[ 'learner_profile_show_courses' ] )
-            || ! Sensei()->settings->settings[ 'learner_profile_show_courses' ] ) {
+        if ( ! isset(Sensei()->settings->settings['learner_profile_show_courses'])
+            || ! Sensei()->settings->settings['learner_profile_show_courses']) {
 
             // do not show the content if the settings doesn't allow for it
             return;
 
         }
 
-        $manage = ( $user->ID == get_current_user_id() ) ? true : false;
+        $manage = ($user->ID == get_current_user_id()) ? true : false;
 
-        do_action( 'sensei_before_learner_course_content', $user );
+        do_action('sensei_before_learner_course_content', $user);
 
 		// Build Output HTML
 		$complete_html = $active_html = '';
 
-		if( is_a( $user, 'WP_User' ) ) {
+		if (is_a($user, 'WP_User')) {
 
 			$my_courses_page = true;
 
 			// Allow action to be run before My Courses content has loaded
-			do_action( 'sensei_before_my_courses', $user->ID );
+			do_action('sensei_before_my_courses', $user->ID);
 
 			// Logic for Active and Completed Courses
 			$per_page = 20;
-			if ( isset( Sensei()->settings->settings[ 'my_course_amount' ] )
-                && ( 0 < absint( Sensei()->settings->settings[ 'my_course_amount' ] ) ) ) {
+			if (isset(Sensei()->settings->settings['my_course_amount'])
+                && (0 < absint(Sensei()->settings->settings['my_course_amount']))) {
 
-				$per_page = absint( Sensei()->settings->settings[ 'my_course_amount' ] );
+				$per_page = absint(Sensei()->settings->settings['my_course_amount']);
 
 			}
 
-			$course_statuses = Sensei_Utils::sensei_check_for_activity( array( 'user_id' => $user->ID, 'type' => 'sensei_course_status' ), true );
+			$course_statuses = Sensei_Utils::sensei_check_for_activity(array('user_id' => $user->ID, 'type' => 'sensei_course_status'), true);
 			// User may only be on 1 Course
-			if ( !is_array($course_statuses) ) {
-				$course_statuses = array( $course_statuses );
+			if ( ! is_array($course_statuses)) {
+				$course_statuses = array($course_statuses);
 			}
 			$completed_ids = $active_ids = array();
-			foreach( $course_statuses as $course_status ) {
-				if ( Sensei_Utils::user_completed_course( $course_status, $user->ID ) ) {
+			foreach ($course_statuses as $course_status) {
+				if (Sensei_Utils::user_completed_course($course_status, $user->ID)) {
 					$completed_ids[] = $course_status->comment_post_ID;
 				} else {
 					$active_ids[] = $course_status->comment_post_ID;
@@ -1216,41 +1216,41 @@ 
 			$active_count = $completed_count = 0;
 
 			$active_courses = array();
-			if ( 0 < intval( count( $active_ids ) ) ) {
+			if (0 < intval(count($active_ids))) {
 				$my_courses_section = 'active';
-				$active_courses = Sensei()->course->course_query( $per_page, 'usercourses', $active_ids );
-				$active_count = count( $active_ids );
+				$active_courses = Sensei()->course->course_query($per_page, 'usercourses', $active_ids);
+				$active_count = count($active_ids);
 			} // End If Statement
 
 			$completed_courses = array();
-			if ( 0 < intval( count( $completed_ids ) ) ) {
+			if (0 < intval(count($completed_ids))) {
 				$my_courses_section = 'completed';
-				$completed_courses = Sensei()->course->course_query( $per_page, 'usercourses', $completed_ids );
-				$completed_count = count( $completed_ids );
+				$completed_courses = Sensei()->course->course_query($per_page, 'usercourses', $completed_ids);
+				$completed_count = count($completed_ids);
 			} // End If Statement
 
-			foreach ( $active_courses as $course_item ) {
+			foreach ($active_courses as $course_item) {
 
-				$course_lessons =  Sensei()->course->course_lessons( $course_item->ID );
+				$course_lessons = Sensei()->course->course_lessons($course_item->ID);
 				$lessons_completed = 0;
-				foreach ( $course_lessons as $lesson ) {
-					if ( Sensei_Utils::user_completed_lesson( $lesson->ID, $user->ID ) ) {
+				foreach ($course_lessons as $lesson) {
+					if (Sensei_Utils::user_completed_lesson($lesson->ID, $user->ID)) {
 						++$lessons_completed;
 					}
 				}
 
 			    // Get Course Categories
-			    $category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
+			    $category_output = get_the_term_list($course_item->ID, 'course-category', '', ', ', '');
 
-                $active_html .= '<article class="' . esc_attr( join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) ) . '">';
+                $active_html .= '<article class="'.esc_attr(join(' ', get_post_class(array('course', 'post'), $course_item->ID))).'">';
 
                 // Image
-                $active_html .= Sensei()->course->course_image( absint( $course_item->ID ), '100','100', true );
+                $active_html .= Sensei()->course->course_image(absint($course_item->ID), '100', '100', true);
 
                 // Title
                 $active_html .= '<header>';
 
-                $active_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
+                $active_html .= '<h2><a href="'.esc_url(get_permalink(absint($course_item->ID))).'" title="'.esc_attr($course_item->post_title).'">'.esc_html($course_item->post_title).'</a></h2>';
 
                 $active_html .= '</header>';
 
@@ -1259,82 +1259,82 @@ 
                 $active_html .= '<p class="sensei-course-meta">';
 
                 // Author
-                $user_info = get_userdata( absint( $course_item->post_author ) );
-                if ( isset( Sensei()->settings->settings[ 'course_author' ] )
-                    && ( Sensei()->settings->settings[ 'course_author' ] ) ) {
+                $user_info = get_userdata(absint($course_item->post_author));
+                if (isset(Sensei()->settings->settings['course_author'])
+                    && (Sensei()->settings->settings['course_author'])) {
 
                     $active_html .= '<span class="course-author">'
-                        . __( 'by ', 'woothemes-sensei' )
-                        . '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) )
-                        . '" title="' . esc_attr( $user_info->display_name ) . '">'
-                        . esc_html( $user_info->display_name )
+                        . __('by ', 'woothemes-sensei')
+                        . '<a href="'.esc_url(get_author_posts_url(absint($course_item->post_author)))
+                        . '" title="'.esc_attr($user_info->display_name).'">'
+                        . esc_html($user_info->display_name)
                         . '</a></span>';
 
                 } // End If Statement
 
                 // Lesson count for this author
-                $lesson_count = Sensei()->course->course_lesson_count( absint( $course_item->ID ) );
+                $lesson_count = Sensei()->course->course_lesson_count(absint($course_item->ID));
                 // Handle Division by Zero
-                if ( 0 == $lesson_count ) {
+                if (0 == $lesson_count) {
 
                     $lesson_count = 1;
 
                 } // End If Statement
-                $active_html .= '<span class="course-lesson-count">' . $lesson_count . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' ) . '</span>';
+                $active_html .= '<span class="course-lesson-count">'.$lesson_count.'&nbsp;'.__('Lessons', 'woothemes-sensei').'</span>';
                 // Course Categories
-                if ( '' != $category_output ) {
+                if ('' != $category_output) {
 
-                    $active_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
+                    $active_html .= '<span class="course-category">'.sprintf(__('in %s', 'woothemes-sensei'), $category_output).'</span>';
 
                 } // End If Statement
-                $active_html .= '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $lessons_completed, $lesson_count  ) . '</span>';
+                $active_html .= '<span class="course-lesson-progress">'.sprintf(__('%1$d of %2$d lessons completed', 'woothemes-sensei'), $lessons_completed, $lesson_count).'</span>';
 
                 $active_html .= '</p>';
 
-                $active_html .= '<p class="course-excerpt">' . $course_item->post_excerpt . '</p>';
+                $active_html .= '<p class="course-excerpt">'.$course_item->post_excerpt.'</p>';
 
 
 
-                $progress_percentage = abs( round( ( doubleval( $lessons_completed ) * 100 ) / ( $lesson_count ), 0 ) );
+                $progress_percentage = abs(round((doubleval($lessons_completed) * 100) / ($lesson_count), 0));
 
-                $active_html .= $this->get_progress_meter( $progress_percentage );
+                $active_html .= $this->get_progress_meter($progress_percentage);
 
                 $active_html .= '</section>';
 
-                if( is_user_logged_in() ) {
+                if (is_user_logged_in()) {
 
                     $active_html .= '<section class="entry-actions">';
 
-                    $active_html .= '<form method="POST" action="' . esc_url( remove_query_arg( array( 'active_page', 'completed_page' ) ) ) . '">';
+                    $active_html .= '<form method="POST" action="'.esc_url(remove_query_arg(array('active_page', 'completed_page'))).'">';
 
-                    $active_html .= '<input type="hidden" name="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" id="' . esc_attr( 'woothemes_sensei_complete_course_noonce' ) . '" value="' . esc_attr( wp_create_nonce( 'woothemes_sensei_complete_course_noonce' ) ) . '" />';
+                    $active_html .= '<input type="hidden" name="'.esc_attr('woothemes_sensei_complete_course_noonce').'" id="'.esc_attr('woothemes_sensei_complete_course_noonce').'" value="'.esc_attr(wp_create_nonce('woothemes_sensei_complete_course_noonce')).'" />';
 
-                    $active_html .= '<input type="hidden" name="course_complete_id" id="course-complete-id" value="' . esc_attr( absint( $course_item->ID ) ) . '" />';
+                    $active_html .= '<input type="hidden" name="course_complete_id" id="course-complete-id" value="'.esc_attr(absint($course_item->ID)).'" />';
 
-                    if ( 0 < absint( count( $course_lessons ) ) && Sensei()->settings->settings['course_completion'] == 'complete' ) {
+                    if (0 < absint(count($course_lessons)) && Sensei()->settings->settings['course_completion'] == 'complete') {
 
                         $active_html .= '<span><input name="course_complete" type="submit" class="course-complete" value="'
-                            .  __( 'Mark as Complete', 'woothemes-sensei' ) . '"/> </span>';
+                            .  __('Mark as Complete', 'woothemes-sensei').'"/> </span>';
 
                     } // End If Statement
 
                     $course_purchased = false;
-                    if ( Sensei_WC::is_woocommerce_active() ) {
+                    if (Sensei_WC::is_woocommerce_active()) {
 
                         // Get the product ID
-                        $wc_post_id = get_post_meta( absint( $course_item->ID ), '_course_woocommerce_product', true );
-                        if ( 0 < $wc_post_id ) {
+                        $wc_post_id = get_post_meta(absint($course_item->ID), '_course_woocommerce_product', true);
+                        if (0 < $wc_post_id) {
 
-                            $course_purchased = Sensei_WC::has_customer_bought_product(  $user->ID, $wc_post_id );
+                            $course_purchased = Sensei_WC::has_customer_bought_product($user->ID, $wc_post_id);
 
                         } // End If Statement
 
                     } // End If Statement
 
-                    if ( false == $course_purchased ) {
+                    if (false == $course_purchased) {
 
                         $active_html .= '<span><input name="course_complete" type="submit" class="course-delete" value="'
-                            .  __( 'Delete Course', 'woothemes-sensei' ) . '"/></span>';
+                            .  __('Delete Course', 'woothemes-sensei').'"/></span>';
 
                     } // End If Statement
 
@@ -1347,54 +1347,54 @@ 
 			}
 
 			// Active pagination
-			if( $active_count > $per_page ) {
+			if ($active_count > $per_page) {
 
 				$current_page = 1;
-				if( isset( $_GET['active_page'] ) && 0 < intval( $_GET['active_page'] ) ) {
+				if (isset($_GET['active_page']) && 0 < intval($_GET['active_page'])) {
 					$current_page = $_GET['active_page'];
 				}
 
 				$active_html .= '<nav class="pagination woo-pagination">';
-				$total_pages = ceil( $active_count / $per_page );
+				$total_pages = ceil($active_count / $per_page);
 
-				if( $current_page > 1 ) {
-					$prev_link = add_query_arg( 'active_page', $current_page - 1 );
-					$active_html .= '<a class="prev page-numbers" href="' . esc_url( $prev_link ) . '">' . __( 'Previous' , 'woothemes-sensei' ) . '</a> ';
+				if ($current_page > 1) {
+					$prev_link = add_query_arg('active_page', $current_page - 1);
+					$active_html .= '<a class="prev page-numbers" href="'.esc_url($prev_link).'">'.__('Previous', 'woothemes-sensei').'</a> ';
 				}
 
-				for ( $i = 1; $i <= $total_pages; $i++ ) {
-					$link = add_query_arg( 'active_page', $i );
+				for ($i = 1; $i <= $total_pages; $i++) {
+					$link = add_query_arg('active_page', $i);
 
-					if( $i == $current_page ) {
-						$active_html .= '<span class="page-numbers current">' . $i . '</span> ';
+					if ($i == $current_page) {
+						$active_html .= '<span class="page-numbers current">'.$i.'</span> ';
 					} else {
-						$active_html .= '<a class="page-numbers" href="' . esc_url( $link ). '">' . $i . '</a> ';
+						$active_html .= '<a class="page-numbers" href="'.esc_url($link).'">'.$i.'</a> ';
 					}
 				}
 
-				if( $current_page < $total_pages ) {
-					$next_link = add_query_arg( 'active_page', $current_page + 1 );
-					$active_html .= '<a class="next page-numbers" href="' . esc_url( $next_link ) . '">' . __( 'Next' , 'woothemes-sensei' ) . '</a> ';
+				if ($current_page < $total_pages) {
+					$next_link = add_query_arg('active_page', $current_page + 1);
+					$active_html .= '<a class="next page-numbers" href="'.esc_url($next_link).'">'.__('Next', 'woothemes-sensei').'</a> ';
 				}
 
 				$active_html .= '</nav>';
 			}
 
-			foreach ( $completed_courses as $course_item ) {
+			foreach ($completed_courses as $course_item) {
 				$course = $course_item;
 
 			    // Get Course Categories
-			    $category_output = get_the_term_list( $course_item->ID, 'course-category', '', ', ', '' );
+			    $category_output = get_the_term_list($course_item->ID, 'course-category', '', ', ', '');
 
-		    	$complete_html .= '<article class="' . join( ' ', get_post_class( array( 'course', 'post' ), $course_item->ID ) ) . '">';
+		    	$complete_html .= '<article class="'.join(' ', get_post_class(array('course', 'post'), $course_item->ID)).'">';
 
 		    	    // Image
-		    		$complete_html .= Sensei()->course->course_image( absint( $course_item->ID ),100, 100, true );
+		    		$complete_html .= Sensei()->course->course_image(absint($course_item->ID), 100, 100, true);
 
 		    		// Title
 		    		$complete_html .= '<header>';
 
-		    		    $complete_html .= '<h2><a href="' . esc_url( get_permalink( absint( $course_item->ID ) ) ) . '" title="' . esc_attr( $course_item->post_title ) . '">' . esc_html( $course_item->post_title ) . '</a></h2>';
+		    		    $complete_html .= '<h2><a href="'.esc_url(get_permalink(absint($course_item->ID))).'" title="'.esc_attr($course_item->post_title).'">'.esc_html($course_item->post_title).'</a></h2>';
 
 		    		$complete_html .= '</header>';
 
@@ -1403,46 +1403,46 @@ 
 		    			$complete_html .= '<p class="sensei-course-meta">';
 
 		    		    	// Author
-		    		    	$user_info = get_userdata( absint( $course_item->post_author ) );
-		    		    	if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {
-		    		    		$complete_html .= '<span class="course-author">' . __( 'by ', 'woothemes-sensei' ) . '<a href="' . esc_url( get_author_posts_url( absint( $course_item->post_author ) ) ) . '" title="' . esc_attr( $user_info->display_name ) . '">' . esc_html( $user_info->display_name ) . '</a></span>';
+		    		    	$user_info = get_userdata(absint($course_item->post_author));
+		    		    	if (isset(Sensei()->settings->settings['course_author']) && (Sensei()->settings->settings['course_author'])) {
+		    		    		$complete_html .= '<span class="course-author">'.__('by ', 'woothemes-sensei').'<a href="'.esc_url(get_author_posts_url(absint($course_item->post_author))).'" title="'.esc_attr($user_info->display_name).'">'.esc_html($user_info->display_name).'</a></span>';
 		    		    	} // End If Statement
 
 		    		    	// Lesson count for this author
 		    		    	$complete_html .= '<span class="course-lesson-count">'
-                                . Sensei()->course->course_lesson_count( absint( $course_item->ID ) )
-                                . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' )
+                                . Sensei()->course->course_lesson_count(absint($course_item->ID))
+                                . '&nbsp;'.__('Lessons', 'woothemes-sensei')
                                 . '</span>';
 
 		    		    	// Course Categories
-		    		    	if ( '' != $category_output ) {
+		    		    	if ('' != $category_output) {
 
-		    		    		$complete_html .= '<span class="course-category">' . sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ) . '</span>';
+		    		    		$complete_html .= '<span class="course-category">'.sprintf(__('in %s', 'woothemes-sensei'), $category_output).'</span>';
 
 		    		    	} // End If Statement
 
 						$complete_html .= '</p>';
 
-						$complete_html .= '<p class="course-excerpt">' . $course_item->post_excerpt . '</p>';
+						$complete_html .= '<p class="course-excerpt">'.$course_item->post_excerpt.'</p>';
 
-                        $complete_html .= $this->get_progress_meter( 100 );
+                        $complete_html .= $this->get_progress_meter(100);
 
-						if( $manage ) {
-							$has_quizzes = Sensei()->course->course_quizzes( $course_item->ID, true );
+						if ($manage) {
+							$has_quizzes = Sensei()->course->course_quizzes($course_item->ID, true);
 							// Output only if there is content to display
-							if ( has_filter( 'sensei_results_links' ) || $has_quizzes ) {
+							if (has_filter('sensei_results_links') || $has_quizzes) {
 
 
 								$complete_html .= '<p class="sensei-results-links">';
 								$results_link = '';
-								if( $has_quizzes ) {
+								if ($has_quizzes) {
 
 									$results_link = '<a class="button view-results" href="'
-                                        . Sensei()->course_results->get_permalink( $course_item->ID )
-                                        . '">' . __( 'View results', 'woothemes-sensei' )
+                                        . Sensei()->course_results->get_permalink($course_item->ID)
+                                        . '">'.__('View results', 'woothemes-sensei')
                                         . '</a>';
 								}
-								$complete_html .= apply_filters( 'sensei_results_links', $results_link );
+								$complete_html .= apply_filters('sensei_results_links', $results_link);
 								$complete_html .= '</p>';
 
 							}
@@ -1454,35 +1454,35 @@ 
 			}
 
 			// Active pagination
-			if( $completed_count > $per_page ) {
+			if ($completed_count > $per_page) {
 
 				$current_page = 1;
-				if( isset( $_GET['completed_page'] ) && 0 < intval( $_GET['completed_page'] ) ) {
+				if (isset($_GET['completed_page']) && 0 < intval($_GET['completed_page'])) {
 					$current_page = $_GET['completed_page'];
 				}
 
 				$complete_html .= '<nav class="pagination woo-pagination">';
-				$total_pages = ceil( $completed_count / $per_page );
+				$total_pages = ceil($completed_count / $per_page);
 
 
-				if( $current_page > 1 ) {
-					$prev_link = add_query_arg( 'completed_page', $current_page - 1 );
-					$complete_html .= '<a class="prev page-numbers" href="' . esc_url( $prev_link ) . '">' . __( 'Previous' , 'woothemes-sensei' ) . '</a> ';
+				if ($current_page > 1) {
+					$prev_link = add_query_arg('completed_page', $current_page - 1);
+					$complete_html .= '<a class="prev page-numbers" href="'.esc_url($prev_link).'">'.__('Previous', 'woothemes-sensei').'</a> ';
 				}
 
-				for ( $i = 1; $i <= $total_pages; $i++ ) {
-					$link = add_query_arg( 'completed_page', $i );
+				for ($i = 1; $i <= $total_pages; $i++) {
+					$link = add_query_arg('completed_page', $i);
 
-					if( $i == $current_page ) {
-						$complete_html .= '<span class="page-numbers current">' . $i . '</span> ';
+					if ($i == $current_page) {
+						$complete_html .= '<span class="page-numbers current">'.$i.'</span> ';
 					} else {
-						$complete_html .= '<a class="page-numbers" href="' . esc_url( $link ) . '">' . $i . '</a> ';
+						$complete_html .= '<a class="page-numbers" href="'.esc_url($link).'">'.$i.'</a> ';
 					}
 				}
 
-				if( $current_page < $total_pages ) {
-					$next_link = add_query_arg( 'completed_page', $current_page + 1 );
-					$complete_html .= '<a class="next page-numbers" href="' . esc_url( $next_link ) . '">' . __( 'Next' , 'woothemes-sensei' ) . '</a> ';
+				if ($current_page < $total_pages) {
+					$next_link = add_query_arg('completed_page', $current_page + 1);
+					$complete_html .= '<a class="next page-numbers" href="'.esc_url($next_link).'">'.__('Next', 'woothemes-sensei').'</a> ';
 				}
 
 				$complete_html .= '</nav>';
@@ -1490,26 +1490,26 @@ 
 
 		} // End If Statement
 
-		if( $manage ) {
-			$no_active_message = __( 'You have no active courses.', 'woothemes-sensei' );
-			$no_complete_message = __( 'You have not completed any courses yet.', 'woothemes-sensei' );
+		if ($manage) {
+			$no_active_message = __('You have no active courses.', 'woothemes-sensei');
+			$no_complete_message = __('You have not completed any courses yet.', 'woothemes-sensei');
 		} else {
-			$no_active_message =  __( 'This learner has no active courses.', 'woothemes-sensei' );
-			$no_complete_message =  __( 'This learner has not completed any courses yet.', 'woothemes-sensei' );
+			$no_active_message = __('This learner has no active courses.', 'woothemes-sensei');
+			$no_complete_message = __('This learner has not completed any courses yet.', 'woothemes-sensei');
 		}
 
 		ob_start();
 		?>
 
-		<?php do_action( 'sensei_before_user_courses' ); ?>
+		<?php do_action('sensei_before_user_courses'); ?>
 
 		<?php
-		if( $manage && ( ! isset( Sensei()->settings->settings['messages_disable'] ) || ! Sensei()->settings->settings['messages_disable'] ) ) {
+		if ($manage && ( ! isset(Sensei()->settings->settings['messages_disable']) || ! Sensei()->settings->settings['messages_disable'])) {
 			?>
 			<p class="my-messages-link-container">
-                <a class="my-messages-link" href="<?php echo get_post_type_archive_link( 'sensei_message' ); ?>"
-                   title="<?php _e( 'View & reply to private messages sent to your course & lesson teachers.', 'woothemes-sensei' ); ?>">
-                    <?php _e( 'My Messages', 'woothemes-sensei' ); ?>
+                <a class="my-messages-link" href="<?php echo get_post_type_archive_link('sensei_message'); ?>"
+                   title="<?php _e('View & reply to private messages sent to your course & lesson teachers.', 'woothemes-sensei'); ?>">
+                    <?php _e('My Messages', 'woothemes-sensei'); ?>
                 </a>
             </p>
 			<?php
@@ -1518,11 +1518,11 @@ 
 		<div id="my-courses">
 
 		    <ul>
-		    	<li><a href="#active-courses"><?php  _e( 'Active Courses', 'woothemes-sensei' ); ?></a></li>
-		    	<li><a href="#completed-courses"><?php  _e( 'Completed Courses', 'woothemes-sensei' ); ?></a></li>
+		    	<li><a href="#active-courses"><?php  _e('Active Courses', 'woothemes-sensei'); ?></a></li>
+		    	<li><a href="#completed-courses"><?php  _e('Completed Courses', 'woothemes-sensei'); ?></a></li>
 		    </ul>
 
-		    <?php do_action( 'sensei_before_active_user_courses' ); ?>
+		    <?php do_action('sensei_before_active_user_courses'); ?>
 
 		    <?php
             $course_page_url = Sensei_Course::get_courses_page_url();
@@ -1530,7 +1530,7 @@ 
 
 		    <div id="active-courses">
 
-		    	<?php if ( '' != $active_html ) {
+		    	<?php if ('' != $active_html) {
 
 		    		echo $active_html;
 
@@ -1542,7 +1542,7 @@ 
 
                         <a href="<?php echo $course_page_url; ?>">
 
-                            <?php  _e( 'Start a Course!', 'woothemes-sensei' ); ?>
+                            <?php  _e('Start a Course!', 'woothemes-sensei'); ?>
 
                         </a>
 
@@ -1552,13 +1552,13 @@ 
 
 		    </div>
 
-		    <?php do_action( 'sensei_after_active_user_courses' ); ?>
+		    <?php do_action('sensei_after_active_user_courses'); ?>
 
-		    <?php do_action( 'sensei_before_completed_user_courses' ); ?>
+		    <?php do_action('sensei_before_completed_user_courses'); ?>
 
 		    <div id="completed-courses">
 
-		    	<?php if ( '' != $complete_html ) {
+		    	<?php if ('' != $complete_html) {
 
 		    		echo $complete_html;
 
@@ -1574,16 +1574,16 @@ 
 
 		    </div>
 
-		    <?php do_action( 'sensei_after_completed_user_courses' ); ?>
+		    <?php do_action('sensei_after_completed_user_courses'); ?>
 
 		</div>
 
-		<?php do_action( 'sensei_after_user_courses' ); ?>
+		<?php do_action('sensei_after_user_courses'); ?>
 
 		<?php
         echo ob_get_clean();
 
-        do_action( 'sensei_after_learner_course_content', $user );
+        do_action('sensei_after_learner_course_content', $user);
 
 	} // end load_user_courses_content
 
@@ -1595,7 +1595,7 @@ 
      *  @type $course WP_Post
      * }
      */
-    public static function get_all_courses(){
+    public static function get_all_courses() {
 
         $args = array(
                'post_type' => 'course',
@@ -1606,7 +1606,7 @@ 
                 'suppress_filters' 	=> 0,
         );
 
-        $wp_query_obj =  new WP_Query( $args );
+        $wp_query_obj = new WP_Query($args);
 
         /**
          * sensei_get_all_courses filter
@@ -1618,7 +1618,7 @@ 
          * }
          * @param array $attributes
          */
-        return apply_filters( 'sensei_get_all_courses' , $wp_query_obj->posts );
+        return apply_filters('sensei_get_all_courses', $wp_query_obj->posts);
 
     }// end get_all_courses
 
@@ -1629,16 +1629,16 @@ 
      * @param int $progress_percentage 0 - 100
      * @return string $progress_bar_html
      */
-    public function get_progress_meter( $progress_percentage ){
+    public function get_progress_meter($progress_percentage) {
 
-        if ( 50 < $progress_percentage ) {
+        if (50 < $progress_percentage) {
             $class = ' green';
-        } elseif ( 25 <= $progress_percentage && 50 >= $progress_percentage ) {
+        } elseif (25 <= $progress_percentage && 50 >= $progress_percentage) {
             $class = ' orange';
         } else {
             $class = ' red';
         }
-        $progress_bar_html = '<div class="meter' . esc_attr( $class ) . '"><span style="width: ' . $progress_percentage . '%">' . round( $progress_percentage ) . '%</span></div>';
+        $progress_bar_html = '<div class="meter'.esc_attr($class).'"><span style="width: '.$progress_percentage.'%">'.round($progress_percentage).'%</span></div>';
 
         return $progress_bar_html;
 
@@ -1653,17 +1653,17 @@ 
      *
      * @return string $statement_html
      */
-    public function get_progress_statement( $course_id, $user_id ){
+    public function get_progress_statement($course_id, $user_id) {
 
-        if( empty( $course_id ) || empty( $user_id )
-        || ! Sensei_Utils::user_started_course( $course_id, $user_id ) ){
+        if (empty($course_id) || empty($user_id)
+        || ! Sensei_Utils::user_started_course($course_id, $user_id)) {
             return '';
         }
 
-        $completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
-        $total_lessons = count( $this->course_lessons( $course_id ) );
+        $completed = count($this->get_completed_lesson_ids($course_id, $user_id));
+        $total_lessons = count($this->course_lessons($course_id));
 
-        $statement = sprintf( _n('Currently completed %s lesson of %s in total', 'Currently completed %s lessons of %s in total', $completed, 'woothemes-sensei'), $completed, $total_lessons );
+        $statement = sprintf(_n('Currently completed %s lesson of %s in total', 'Currently completed %s lessons of %s in total', $completed, 'woothemes-sensei'), $completed, $total_lessons);
 
         /**
          * Filter the course completion statement.
@@ -1671,7 +1671,7 @@ 
          *
          * @param string $statement
          */
-        return apply_filters( 'sensei_course_completion_statement', $statement );
+        return apply_filters('sensei_course_completion_statement', $statement);
 
     }// end generate_progress_statement
 
@@ -1681,17 +1681,17 @@ 
      * @param $course_id
      * @return void
      */
-    public function the_progress_statement( $course_id = 0, $user_id = 0 ){
-        if( empty( $course_id ) ){
+    public function the_progress_statement($course_id = 0, $user_id = 0) {
+        if (empty($course_id)) {
             global $post;
             $course_id = $post->ID;
         }
 
-        if( empty( $user_id ) ){
+        if (empty($user_id)) {
             $user_id = get_current_user_id();
         }
 
-        echo '<span class="progress statement  course-completion-rate">' . $this->get_progress_statement( $course_id, $user_id  ) . '</span>';
+        echo '<span class="progress statement  course-completion-rate">'.$this->get_progress_statement($course_id, $user_id).'</span>';
     }
 
     /**
@@ -1700,24 +1700,24 @@ 
      * @param $course_id
      * @return void
      */
-    public function the_progress_meter( $course_id = 0, $user_id = 0 ){
+    public function the_progress_meter($course_id = 0, $user_id = 0) {
 
-        if( empty( $course_id ) ){
+        if (empty($course_id)) {
             global $post;
             $course_id = $post->ID;
         }
 
-        if( empty( $user_id ) ){
+        if (empty($user_id)) {
             $user_id = get_current_user_id();
         }
 
-        if( 'course' != get_post_type( $course_id ) || ! get_userdata( $user_id )
-            || ! Sensei_Utils::user_started_course( $course_id ,$user_id ) ){
+        if ('course' != get_post_type($course_id) || ! get_userdata($user_id)
+            || ! Sensei_Utils::user_started_course($course_id, $user_id)) {
             return;
         }
-        $percentage_completed = $this->get_completion_percentage( $course_id, $user_id );
+        $percentage_completed = $this->get_completion_percentage($course_id, $user_id);
 
-        echo $this->get_progress_meter( $percentage_completed );
+        echo $this->get_progress_meter($percentage_completed);
 
     }// end the_progress_meter
 
@@ -1730,20 +1730,20 @@ 
      * @param int $user_id
      * @return array $completed_lesson_ids
      */
-    public function get_completed_lesson_ids( $course_id, $user_id = 0 ){
+    public function get_completed_lesson_ids($course_id, $user_id = 0) {
 
-        if( !( intval( $user_id ) ) > 0 ){
+        if ( ! (intval($user_id)) > 0) {
             $user_id = get_current_user_id();
         }
 
         $completed_lesson_ids = array();
 
-        $course_lessons = $this->course_lessons( $course_id );
+        $course_lessons = $this->course_lessons($course_id);
 
-        foreach( $course_lessons as $lesson ){
+        foreach ($course_lessons as $lesson) {
 
-            $is_lesson_completed = Sensei_Utils::user_completed_lesson( $lesson->ID, $user_id );
-            if( $is_lesson_completed ){
+            $is_lesson_completed = Sensei_Utils::user_completed_lesson($lesson->ID, $user_id);
+            if ($is_lesson_completed) {
                 $completed_lesson_ids[] = $lesson->ID;
             }
 
@@ -1762,19 +1762,19 @@ 
      * @param int $user_id
      * @return int $percentage
      */
-    public function get_completion_percentage( $course_id, $user_id = 0 ){
+    public function get_completion_percentage($course_id, $user_id = 0) {
 
-        if( !( intval( $user_id ) ) > 0 ){
+        if ( ! (intval($user_id)) > 0) {
             $user_id = get_current_user_id();
         }
 
-        $completed = count( $this->get_completed_lesson_ids( $course_id, $user_id ) );
+        $completed = count($this->get_completed_lesson_ids($course_id, $user_id));
 
-        if( ! (  $completed  > 0 ) ){
+        if ( ! ($completed > 0)) {
             return 0;
         }
 
-        $total_lessons = count( $this->course_lessons( $course_id ) );
+        $total_lessons = count($this->course_lessons($course_id));
         $percentage = $completed / $total_lessons * 100;
 
         /**
@@ -1786,7 +1786,7 @@ 
          * @param $user_id
          * @since 1.8.0
          */
-        return apply_filters( 'sensei_course_completion_percentage', $percentage, $course_id, $user_id );
+        return apply_filters('sensei_course_completion_percentage', $percentage, $course_id, $user_id);
 
     }// end get_completed_lesson_ids
 
@@ -1798,28 +1798,28 @@ 
      * @param $should_send
      * @return bool
      */
-    public function block_notification_emails( $should_send ){
+    public function block_notification_emails($should_send) {
         global $sensei_email_data;
         $email = $sensei_email_data;
 
         $course_id = '';
 
-        if( isset( $email['course_id'] ) ){
+        if (isset($email['course_id'])) {
 
             $course_id = $email['course_id'];
 
-        }elseif( isset( $email['lesson_id'] ) ){
+        }elseif (isset($email['lesson_id'])) {
 
-            $course_id = Sensei()->lesson->get_course_id( $email['lesson_id'] );
+            $course_id = Sensei()->lesson->get_course_id($email['lesson_id']);
 
-        }elseif( isset( $email['quiz_id'] ) ){
+        }elseif (isset($email['quiz_id'])) {
 
-            $lesson_id = Sensei()->quiz->get_lesson_id( $email['quiz_id'] );
-            $course_id = Sensei()->lesson->get_course_id( $lesson_id );
+            $lesson_id = Sensei()->quiz->get_lesson_id($email['quiz_id']);
+            $course_id = Sensei()->lesson->get_course_id($lesson_id);
 
         }
 
-        if( !empty( $course_id ) && 'course'== get_post_type( $course_id ) ) {
+        if ( ! empty($course_id) && 'course' == get_post_type($course_id)) {
 
             $course_emails_disabled = get_post_meta($course_id, 'disable_notification', true);
 
@@ -1840,19 +1840,19 @@ 
      * @since 1.8.0
      * @param $course
      */
-    public function course_notification_meta_box_content( $course ){
+    public function course_notification_meta_box_content($course) {
 
-        $checked = get_post_meta( $course->ID , 'disable_notification', true );
+        $checked = get_post_meta($course->ID, 'disable_notification', true);
 
         // generate checked html
         $checked_html = '';
-        if( $checked ){
+        if ($checked) {
             $checked_html = 'checked="checked"';
         }
-        wp_nonce_field( 'update-course-notification-setting','_sensei_course_notification' );
+        wp_nonce_field('update-course-notification-setting', '_sensei_course_notification');
 
-        echo '<input id="disable_sensei_course_notification" '.$checked_html .' type="checkbox" name="disable_sensei_course_notification" >';
-        echo '<label for="disable_sensei_course_notification">'.__('Disable notifications on this course ?', 'woothemes-sensei'). '</label>';
+        echo '<input id="disable_sensei_course_notification" '.$checked_html.' type="checkbox" name="disable_sensei_course_notification" >';
+        echo '<label for="disable_sensei_course_notification">'.__('Disable notifications on this course ?', 'woothemes-sensei').'</label>';
 
     }// end course_notification_meta_box_content
 
@@ -1864,20 +1864,20 @@ 
      *
      * @param $course_id
      */
-    public function save_course_notification_meta_box( $course_id ){
+    public function save_course_notification_meta_box($course_id) {
 
-        if( !isset( $_POST['_sensei_course_notification']  )
-            || ! wp_verify_nonce( $_POST['_sensei_course_notification'], 'update-course-notification-setting' ) ){
+        if ( ! isset($_POST['_sensei_course_notification'])
+            || ! wp_verify_nonce($_POST['_sensei_course_notification'], 'update-course-notification-setting')) {
             return;
         }
 
-        if( isset( $_POST['disable_sensei_course_notification'] ) && 'on'== $_POST['disable_sensei_course_notification']  ) {
+        if (isset($_POST['disable_sensei_course_notification']) && 'on' == $_POST['disable_sensei_course_notification']) {
             $new_val = true;
-        }else{
+        } else {
             $new_val = false;
         }
 
-       update_post_meta( $course_id , 'disable_notification', $new_val );
+       update_post_meta($course_id, 'disable_notification', $new_val);
 
     }// end save notification meta box
 
@@ -1891,10 +1891,10 @@ 
      *
      * @param WP_Post $post
      */
-    public function content_before_backwards_compatibility_hooks( $post ){
+    public function content_before_backwards_compatibility_hooks($post) {
 
-        sensei_do_deprecated_action( 'sensei_course_image','1.9.0','sensei_course_content_inside_before' );
-        sensei_do_deprecated_action( 'sensei_course_archive_course_title','1.9.0','sensei_course_content_inside_before' );
+        sensei_do_deprecated_action('sensei_course_image', '1.9.0', 'sensei_course_content_inside_before');
+        sensei_do_deprecated_action('sensei_course_archive_course_title', '1.9.0', 'sensei_course_content_inside_before');
 
     }
 
@@ -1907,10 +1907,10 @@ 
      *
      * @global WP_Post $post
      */
-    public  function loop_before_backwards_compatibility_hooks( ){
+    public  function loop_before_backwards_compatibility_hooks( ) {
 
         global $post;
-        sensei_do_deprecated_action( 'sensei_course_archive_header','1.9.0','sensei_course_content_inside_before', $post->post_type  );
+        sensei_do_deprecated_action('sensei_course_archive_header', '1.9.0', 'sensei_course_content_inside_before', $post->post_type);
 
     }
 
@@ -1923,18 +1923,18 @@ 
      *
      * @param WP_Post $course
      */
-    public function the_course_free_lesson_preview( $course ){
+    public function the_course_free_lesson_preview($course) {
         // Meta data
-        $preview_lesson_count = intval( Sensei()->course->course_lesson_preview_count( $course->ID ) );
-        $is_user_taking_course = Sensei_Utils::user_started_course( $course->ID, get_current_user_id() );
+        $preview_lesson_count = intval(Sensei()->course->course_lesson_preview_count($course->ID));
+        $is_user_taking_course = Sensei_Utils::user_started_course($course->ID, get_current_user_id());
 
-        if ( 0 < $preview_lesson_count && !$is_user_taking_course ) {
+        if (0 < $preview_lesson_count && ! $is_user_taking_course) {
             ?>
             <p class="sensei-free-lessons">
                 <a href="<?php echo get_permalink(); ?>">
-                    <?php _e( 'Preview this course', 'woothemes-sensei' ) ?>
+                    <?php _e('Preview this course', 'woothemes-sensei') ?>
                 </a>
-                - <?php echo sprintf( __( '(%d preview lessons)', 'woothemes-sensei' ), $preview_lesson_count ) ; ?>
+                - <?php echo sprintf(__('(%d preview lessons)', 'woothemes-sensei'), $preview_lesson_count); ?>
             </p>
 
         <?php
@@ -1947,38 +1947,38 @@ 
      * @since 1.9.0
      * @param WP_Post $course
      */
-    public function the_course_meta( $course ){
+    public function the_course_meta($course) {
         echo '<p class="sensei-course-meta">';
 
-        $category_output = get_the_term_list( $course->ID, 'course-category', '', ', ', '' );
-        $author_display_name = get_the_author_meta( 'display_name', $course->post_author  );
+        $category_output = get_the_term_list($course->ID, 'course-category', '', ', ', '');
+        $author_display_name = get_the_author_meta('display_name', $course->post_author);
 
-        if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) {?>
+        if (isset(Sensei()->settings->settings['course_author']) && (Sensei()->settings->settings['course_author'])) {?>
 
-            <span class="course-author"><?php _e( 'by ', 'woothemes-sensei' ); ?>
+            <span class="course-author"><?php _e('by ', 'woothemes-sensei'); ?>
 
-                <a href="<?php esc_attr_e( get_author_posts_url( $course->post_author ) ); ?>" title="<?php esc_attr_e( $author_display_name ); ?>"><?php esc_attr_e( $author_display_name   ); ?></a>
+                <a href="<?php esc_attr_e(get_author_posts_url($course->post_author)); ?>" title="<?php esc_attr_e($author_display_name); ?>"><?php esc_attr_e($author_display_name); ?></a>
 
             </span>
 
         <?php } // End If Statement ?>
 
-        <span class="course-lesson-count"><?php echo Sensei()->course->course_lesson_count( $course->ID ) . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' ); ?></span>
+        <span class="course-lesson-count"><?php echo Sensei()->course->course_lesson_count($course->ID).'&nbsp;'.__('Lessons', 'woothemes-sensei'); ?></span>
 
-       <?php if ( '' != $category_output ) { ?>
+       <?php if ('' != $category_output) { ?>
 
-            <span class="course-category"><?php echo sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ); ?></span>
+            <span class="course-category"><?php echo sprintf(__('in %s', 'woothemes-sensei'), $category_output); ?></span>
 
         <?php } // End If Statement
 
         // number of completed lessons
-        if( is_user_logged_in() ){
-            $completed = count( $this->get_completed_lesson_ids( $course->ID, get_current_user_id() ) );
-            $lesson_count = count( $this->course_lessons( $course->ID ) );
-            echo '<span class="course-lesson-progress">' . sprintf( __( '%1$d of %2$d lessons completed', 'woothemes-sensei' ) , $completed, $lesson_count  ) . '</span>';
+        if (is_user_logged_in()) {
+            $completed = count($this->get_completed_lesson_ids($course->ID, get_current_user_id()));
+            $lesson_count = count($this->course_lessons($course->ID));
+            echo '<span class="course-lesson-progress">'.sprintf(__('%1$d of %2$d lessons completed', 'woothemes-sensei'), $completed, $lesson_count).'</span>';
         }
 
-        sensei_simple_course_price( $course->ID );
+        sensei_simple_course_price($course->ID);
 
         echo '</p>';
     } // end the course meta
@@ -1993,15 +1993,15 @@ 
      *
      * @return array $classes
      */
-    public static function add_course_user_status_class( $classes, $class, $course_id ){
+    public static function add_course_user_status_class($classes, $class, $course_id) {
 
-        if( 'course' == get_post_type( $course_id )  &&  is_user_logged_in() ){
+        if ('course' == get_post_type($course_id) && is_user_logged_in()) {
 
-            if( Sensei_Utils::user_completed_course( $course_id, get_current_user_id() ) ){
+            if (Sensei_Utils::user_completed_course($course_id, get_current_user_id())) {
 
                 $classes[] = 'user-status-completed';
 
-            }else{
+            } else {
 
                 $classes[] = 'user-status-active';
 
@@ -2021,56 +2021,56 @@ 
      *
      * @param WP_Post $course
      */
-    public static function the_course_action_buttons( $course ){
+    public static function the_course_action_buttons($course) {
 
-        if( is_user_logged_in() ) { ?>
+        if (is_user_logged_in()) { ?>
 
             <section class="entry-actions">
-                <form method="POST" action="<?php  echo esc_url( remove_query_arg( array( 'active_page', 'completed_page' ) ) ); ?>">
+                <form method="POST" action="<?php  echo esc_url(remove_query_arg(array('active_page', 'completed_page'))); ?>">
 
                     <input type="hidden"
-                           name="<?php esc_attr_e( 'woothemes_sensei_complete_course_noonce' ) ?>"
-                           id="<?php  esc_attr_e( 'woothemes_sensei_complete_course_noonce' ); ?>"
-                           value="<?php esc_attr_e( wp_create_nonce( 'woothemes_sensei_complete_course_noonce' ) ); ?>"
+                           name="<?php esc_attr_e('woothemes_sensei_complete_course_noonce') ?>"
+                           id="<?php  esc_attr_e('woothemes_sensei_complete_course_noonce'); ?>"
+                           value="<?php esc_attr_e(wp_create_nonce('woothemes_sensei_complete_course_noonce')); ?>"
                         />
 
-                    <input type="hidden" name="course_complete_id" id="course-complete-id" value="<?php esc_attr_e( intval( $course->ID ) ); ?>" />
+                    <input type="hidden" name="course_complete_id" id="course-complete-id" value="<?php esc_attr_e(intval($course->ID)); ?>" />
 
-                    <?php if ( 0 < absint( count( Sensei()->course->course_lessons( $course->ID ) ) ) && Sensei()->settings->settings['course_completion'] == 'complete' ) { ?>
+                    <?php if (0 < absint(count(Sensei()->course->course_lessons($course->ID))) && Sensei()->settings->settings['course_completion'] == 'complete') { ?>
 
-                        <span><input name="course_complete" type="submit" class="course-complete" value="<?php  _e( 'Mark as Complete', 'woothemes-sensei' ); ?>" /></span>
+                        <span><input name="course_complete" type="submit" class="course-complete" value="<?php  _e('Mark as Complete', 'woothemes-sensei'); ?>" /></span>
 
                    <?php  } // End If Statement
 
                     $course_purchased = false;
-                    if ( Sensei_WC::is_woocommerce_active() ) {
+                    if (Sensei_WC::is_woocommerce_active()) {
                         // Get the product ID
-                        $wc_post_id = get_post_meta( intval( $course->ID ), '_course_woocommerce_product', true );
-                        if ( 0 < $wc_post_id ) {
+                        $wc_post_id = get_post_meta(intval($course->ID), '_course_woocommerce_product', true);
+                        if (0 < $wc_post_id) {
 
                             $user = wp_get_current_user();
-                            $course_purchased = Sensei_Utils::sensei_customer_bought_product( $user->user_email, $user->ID, $wc_post_id );
+                            $course_purchased = Sensei_Utils::sensei_customer_bought_product($user->user_email, $user->ID, $wc_post_id);
 
                         } // End If Statement
                     } // End If Statement
 
-                    if ( ! $course_purchased && ! Sensei_Utils::user_completed_course( $course->ID, get_current_user_id() ) ) {?>
+                    if ( ! $course_purchased && ! Sensei_Utils::user_completed_course($course->ID, get_current_user_id())) {?>
 
-                        <span><input name="course_complete" type="submit" class="course-delete" value="<?php echo __( 'Delete Course', 'woothemes-sensei' ); ?>"/></span>
+                        <span><input name="course_complete" type="submit" class="course-delete" value="<?php echo __('Delete Course', 'woothemes-sensei'); ?>"/></span>
 
                     <?php } // End If Statement
 
-                    $has_quizzes = Sensei()->course->course_quizzes( $course->ID, true );
+                    $has_quizzes = Sensei()->course->course_quizzes($course->ID, true);
                     $results_link = '';
-                    if( $has_quizzes ){
-                        $results_link = '<a class="button view-results" href="' . Sensei()->course_results->get_permalink( $course->ID ) . '">' . __( 'View results', 'woothemes-sensei' ) . '</a>';
+                    if ($has_quizzes) {
+                        $results_link = '<a class="button view-results" href="'.Sensei()->course_results->get_permalink($course->ID).'">'.__('View results', 'woothemes-sensei').'</a>';
                     }
 
                     // Output only if there is content to display
-                    if ( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
+                    if (has_filter('sensei_results_links') || $has_quizzes) { ?>
 
                         <p class="sensei-results-links">
-                            <?php echo apply_filters( 'sensei_results_links', $results_link ); ?>
+                            <?php echo apply_filters('sensei_results_links', $results_link); ?>
                         </p>
 
                     <?php } // end if has filter  ?>
@@ -2095,27 +2095,27 @@ 
      * @param WP_Query $query
      * @return WP_Query $query
      */
-    public static function course_query_filter( $query ){
+    public static function course_query_filter($query) {
 
         // exit early for no course queries and admin queries
-        if( is_admin( ) || 'course' != $query->get( 'post_type' ) ){
+        if (is_admin( ) || 'course' != $query->get('post_type')) {
             return $query;
         }
 
         global $post; // used to get the current page id for my courses
 
         // for the course archive page
-        if( $query->is_main_query() && is_post_type_archive('course') )
+        if ($query->is_main_query() && is_post_type_archive('course'))
         {
 
-            $query->set( 'posts_per_page', apply_filters( 'sensei_archive_courses_per_page', get_option( 'posts_per_page' ) ) );
+            $query->set('posts_per_page', apply_filters('sensei_archive_courses_per_page', get_option('posts_per_page')));
 
         }
         // for the my courses page
-        elseif( is_page() && Sensei()->settings->get( 'my_course_page' ) == $post->ID  )
+        elseif (is_page() && Sensei()->settings->get('my_course_page') == $post->ID)
         {
 
-            $query->set( 'posts_per_page', apply_filters( 'sensei_my_courses_per_page', get_option( 'posts_per_page' ) ) );
+            $query->set('posts_per_page', apply_filters('sensei_my_courses_per_page', get_option('posts_per_page')));
 
         }
 
@@ -2131,21 +2131,21 @@ 
      * @return array $extra_classes
      * @since 1.9.0
      */
-    public static function get_course_loop_content_class ()
+    public static function get_course_loop_content_class()
     {
 
         global $sensei_course_loop;
 
 
-        if( !isset( $sensei_course_loop ) ){
+        if ( ! isset($sensei_course_loop)) {
             $sensei_course_loop = array();
         }
 
-        if (!isset($sensei_course_loop['counter'])) {
+        if ( ! isset($sensei_course_loop['counter'])) {
             $sensei_course_loop['counter'] = 0;
         }
 
-        if (!isset($sensei_course_loop['columns'])) {
+        if ( ! isset($sensei_course_loop['columns'])) {
             $sensei_course_loop['columns'] = self::get_loop_number_of_columns();
         }
 
@@ -2153,16 +2153,16 @@ 
         $sensei_course_loop['counter']++;
 
         $extra_classes = array();
-        if( 0 == ( $sensei_course_loop['counter'] - 1 ) % $sensei_course_loop['columns'] || 1 == $sensei_course_loop['columns']  ){
+        if (0 == ($sensei_course_loop['counter'] - 1) % $sensei_course_loop['columns'] || 1 == $sensei_course_loop['columns']) {
             $extra_classes[] = 'first';
         }
 
-        if( 0 == $sensei_course_loop['counter'] % $sensei_course_loop['columns']  ){
+        if (0 == $sensei_course_loop['counter'] % $sensei_course_loop['columns']) {
             $extra_classes[] = 'last';
         }
 
         // add the item number to the classes as well.
-        $extra_classes[] = 'loop-item-number-'. $sensei_course_loop['counter'];
+        $extra_classes[] = 'loop-item-number-'.$sensei_course_loop['counter'];
 
         /**
          * Filter the course loop class the fires in the  in get_course_loop_content_class function
@@ -2173,7 +2173,7 @@ 
          * @param array $extra_classes
          * @param WP_Post $loop_current_course
          */
-        return apply_filters( 'sensei_course_loop_content_class', $extra_classes ,get_post() );
+        return apply_filters('sensei_course_loop_content_class', $extra_classes, get_post());
 
     }// end get_course_loop_class
 
@@ -2183,7 +2183,7 @@ 
      * @since 1.9.0
      * @return mixed|void
      */
-    public static function get_loop_number_of_columns(){
+    public static function get_loop_number_of_columns() {
 
         /**
          * Filter the number of columns on the course archive page.
@@ -2203,10 +2203,10 @@ 
      * @since 1.9.0
      * @param
      */
-    public static function course_archive_sorting( $query ){
+    public static function course_archive_sorting($query) {
 
         // don't show on category pages and other pages
-        if( ! is_archive(  'course ') || is_tax('course-category') ){
+        if ( ! is_archive('course ') || is_tax('course-category')) {
             return;
         }
 
@@ -2219,27 +2219,27 @@ 
          *  @type string $option_string
          * }
          */
-        $course_order_by_options = apply_filters( 'sensei_archive_course_order_by_options', array(
-            "newness"     => __( "Sort by newest first", "woothemes-sensei"),
-            "title"       => __( "Sort by title A-Z", "woothemes-sensei" ),
+        $course_order_by_options = apply_filters('sensei_archive_course_order_by_options', array(
+            "newness"     => __("Sort by newest first", "woothemes-sensei"),
+            "title"       => __("Sort by title A-Z", "woothemes-sensei"),
         ));
 
         // setup the currently selected item
         $selected = 'newness';
-        if( isset( $_GET['orderby'] ) ){
+        if (isset($_GET['orderby'])) {
 
-            $selected =  $_GET[ 'orderby' ];
+            $selected = $_GET['orderby'];
 
         }
 
         ?>
 
-        <form class="sensei-ordering" name="sensei-course-order" action="<?php echo esc_attr( Sensei_Utils::get_current_url() ) ; ?>" method="POST">
+        <form class="sensei-ordering" name="sensei-course-order" action="<?php echo esc_attr(Sensei_Utils::get_current_url()); ?>" method="POST">
             <select name="course-orderby" class="orderby">
                 <?php
-                foreach( $course_order_by_options as $value => $text ){
+                foreach ($course_order_by_options as $value => $text) {
 
-                    echo '<option value="'. $value . ' "' . selected( $selected, $value, false ) . '>'. $text. '</option>';
+                    echo '<option value="'.$value.' "'.selected($selected, $value, false).'>'.$text.'</option>';
 
                 }
                 ?>
@@ -2257,10 +2257,10 @@ 
      * @since 1.9.0
      * @param
      */
-    public static function course_archive_filters( $query ){
+    public static function course_archive_filters($query) {
 
         // don't show on category pages
-        if( is_tax('course-category') ){
+        if (is_tax('course-category')) {
             return;
         }
 
@@ -2273,9 +2273,9 @@ 
          * }
          *
          */
-        $filters = apply_filters( 'sensei_archive_course_filter_by_options', array(
-            array( 'id' => 'all', 'url' => self::get_courses_page_url(), 'title'=> __( 'All', 'woothemes-sensei' ) ),
-            array( 'id' => 'featured', 'url' => add_query_arg( array( 'course_filter'=>'featured'), self::get_courses_page_url()  ), 'title'=> __( 'Featured', 'woothemes-sensei' ) ),
+        $filters = apply_filters('sensei_archive_course_filter_by_options', array(
+            array('id' => 'all', 'url' => self::get_courses_page_url(), 'title'=> __('All', 'woothemes-sensei')),
+            array('id' => 'featured', 'url' => add_query_arg(array('course_filter'=>'featured'), self::get_courses_page_url()), 'title'=> __('Featured', 'woothemes-sensei')),
         ));
 
 
@@ -2286,11 +2286,11 @@ 
             //determine the current active url
             $current_url = Sensei_Utils::get_current_url();
 
-            foreach( $filters as $filter ) {
+            foreach ($filters as $filter) {
 
-                $active_class =  $current_url == $filter['url'] ? ' class="active" ' : '';
+                $active_class = $current_url == $filter['url'] ? ' class="active" ' : '';
 
-                echo '<li><a '. $active_class .' id="'. $filter['id'] .'" href="'. esc_url( $filter['url'] ).'" >'. $filter['title']  .'</a></li>';
+                echo '<li><a '.$active_class.' id="'.$filter['id'].'" href="'.esc_url($filter['url']).'" >'.$filter['title'].'</a></li>';
 
             }
             ?>
@@ -2311,13 +2311,13 @@ 
      * @param WP_Query $query
      * @return WP_Query $query
      */
-    public static function course_archive_featured_filter( $query ){
+    public static function course_archive_featured_filter($query) {
 
-        if( isset ( $_GET[ 'course_filter' ] ) && 'featured'== $_GET['course_filter'] && $query->is_main_query()  ){
+        if (isset ($_GET['course_filter']) && 'featured' == $_GET['course_filter'] && $query->is_main_query()) {
             //setup meta query for featured courses
-            $query->set( 'meta_value', 'featured'  );
-            $query->set( 'meta_key', '_course_featured'  );
-            $query->set( 'meta_compare', '='  );
+            $query->set('meta_value', 'featured');
+            $query->set('meta_key', '_course_featured');
+            $query->set('meta_compare', '=');
         }
 
         return $query;
@@ -2332,13 +2332,13 @@ 
      * @param WP_Query $query
      * @return WP_Query $query
      */
-    public static function course_archive_order_by_title( $query ){
+    public static function course_archive_order_by_title($query) {
 
-        if( isset ( $_POST[ 'course-orderby' ] ) && 'title '== $_POST['course-orderby']
-            && 'course'== $query->get('post_type') && $query->is_main_query()  ){
+        if (isset ($_POST['course-orderby']) && 'title ' == $_POST['course-orderby']
+            && 'course' == $query->get('post_type') && $query->is_main_query()) {
             // setup the order by title for this query
-            $query->set( 'orderby', 'title'  );
-            $query->set( 'order', 'ASC'  );
+            $query->set('orderby', 'title');
+            $query->set('order', 'ASC');
         }
 
         return $query;
@@ -2352,10 +2352,10 @@ 
      * @since 1.9.0
      * @return string $course_page_url
      */
-    public static function get_courses_page_url(){
+    public static function get_courses_page_url() {
 
-        $course_page_id = intval( Sensei()->settings->settings[ 'course_page' ] );
-        $course_page_url = empty( $course_page_id ) ? get_post_type_archive_link('course') : get_permalink( $course_page_id );
+        $course_page_id = intval(Sensei()->settings->settings['course_page']);
+        $course_page_url = empty($course_page_id) ? get_post_type_archive_link('course') : get_permalink($course_page_id);
 
         return $course_page_url;
 
@@ -2372,61 +2372,61 @@ 
      * @param string $after_html
      * @return void
      */
-    public static function archive_header( $query_type ='' , $before_html='', $after_html =''  ){
+    public static function archive_header($query_type = '', $before_html = '', $after_html = '') {
 
-        if( ! is_post_type_archive('course') ){
+        if ( ! is_post_type_archive('course')) {
             return;
         }
 
         // deprecated since 1.9.0
-        sensei_do_deprecated_action('sensei_archive_title','1.9.0','sensei_archive_before_course_loop');
+        sensei_do_deprecated_action('sensei_archive_title', '1.9.0', 'sensei_archive_before_course_loop');
 
         $html = '';
 
-        if( empty( $before_html ) ){
+        if (empty($before_html)) {
 
             $before_html = '<header class="archive-header"><h1>';
 
         }
 
-        if( empty( $after_html ) ){
+        if (empty($after_html)) {
 
             $after_html = '</h1></header>';
 
         }
 
-        if ( is_tax( 'course-category' ) ) {
+        if (is_tax('course-category')) {
 
             global $wp_query;
 
             $taxonomy_obj = $wp_query->get_queried_object();
             $taxonomy_short_name = $taxonomy_obj->taxonomy;
-            $taxonomy_raw_obj = get_taxonomy( $taxonomy_short_name );
-            $title = sprintf( __( '%1$s Archives: %2$s', 'woothemes-sensei' ), $taxonomy_raw_obj->labels->name, $taxonomy_obj->name );
-            echo apply_filters( 'course_category_archive_title', $before_html . $title . $after_html );
+            $taxonomy_raw_obj = get_taxonomy($taxonomy_short_name);
+            $title = sprintf(__('%1$s Archives: %2$s', 'woothemes-sensei'), $taxonomy_raw_obj->labels->name, $taxonomy_obj->name);
+            echo apply_filters('course_category_archive_title', $before_html.$title.$after_html);
             return;
 
         } // End If Statement
 
-        switch ( $query_type ) {
+        switch ($query_type) {
             case 'newcourses':
-                $html .= $before_html . __( 'New Courses', 'woothemes-sensei' ) . $after_html;
+                $html .= $before_html.__('New Courses', 'woothemes-sensei').$after_html;
                 break;
             case 'featuredcourses':
-                $html .= $before_html .  __( 'Featured Courses', 'woothemes-sensei' ) . $after_html;
+                $html .= $before_html.__('Featured Courses', 'woothemes-sensei').$after_html;
                 break;
             case 'freecourses':
-                $html .= $before_html .  __( 'Free Courses', 'woothemes-sensei' ) . $after_html;
+                $html .= $before_html.__('Free Courses', 'woothemes-sensei').$after_html;
                 break;
             case 'paidcourses':
-                $html .= $before_html .  __( 'Paid Courses', 'woothemes-sensei' ) . $after_html;
+                $html .= $before_html.__('Paid Courses', 'woothemes-sensei').$after_html;
                 break;
             default:
-                $html .= $before_html . __( 'Courses', 'woothemes-sensei' ) . $after_html;
+                $html .= $before_html.__('Courses', 'woothemes-sensei').$after_html;
                 break;
         } // End Switch Statement
 
-        echo apply_filters( 'course_archive_title', $html );
+        echo apply_filters('course_archive_title', $html);
 
     }//course_archive_header
 
@@ -2440,9 +2440,9 @@ 
      * @param string $content
      * @return string $content or $excerpt
      */
-    public static function single_course_content( $content ){
+    public static function single_course_content($content) {
 
-        if( ! is_singular('course') ){
+        if ( ! is_singular('course')) {
 
             return $content;
 
@@ -2451,21 +2451,21 @@ 
         // Content Access Permissions
         $access_permission = false;
 
-        if ( ! Sensei()->settings->get('access_permission')  || sensei_all_access() ) {
+        if ( ! Sensei()->settings->get('access_permission') || sensei_all_access()) {
 
             $access_permission = true;
 
         } // End If Statement
 
         // Check if the user is taking the course
-        $is_user_taking_course = Sensei_Utils::user_started_course( get_the_ID(), get_current_user_id() );
+        $is_user_taking_course = Sensei_Utils::user_started_course(get_the_ID(), get_current_user_id());
 
-        if(Sensei_WC::is_woocommerce_active()) {
+        if (Sensei_WC::is_woocommerce_active()) {
 
-            $wc_post_id = get_post_meta( get_the_ID(), '_course_woocommerce_product', true );
-            $product = Sensei()->sensei_get_woocommerce_product_object( $wc_post_id );
+            $wc_post_id = get_post_meta(get_the_ID(), '_course_woocommerce_product', true);
+            $product = Sensei()->sensei_get_woocommerce_product_object($wc_post_id);
 
-            $has_product_attached = isset ( $product ) && is_object ( $product );
+            $has_product_attached = isset ($product) && is_object($product);
 
         } else {
 
@@ -2473,15 +2473,15 @@ 
 
         }
 
-        if ( ( is_user_logged_in() && $is_user_taking_course )
-            || ( $access_permission && !$has_product_attached)
-            || 'full' == Sensei()->settings->get( 'course_single_content_display' ) ) {
+        if ((is_user_logged_in() && $is_user_taking_course)
+            || ($access_permission && ! $has_product_attached)
+            || 'full' == Sensei()->settings->get('course_single_content_display')) {
 
             return $content;
 
         } else {
 
-            return '<p class="course-excerpt">' . get_post(  get_the_ID() )->post_excerpt . '</p>';
+            return '<p class="course-excerpt">'.get_post(get_the_ID())->post_excerpt.'</p>';
 
         }
 
@@ -2492,14 +2492,14 @@ 
      *
      * @since 1.9.0
      */
-    public static function the_course_lessons_title(){
+    public static function the_course_lessons_title() {
         global $post;
-        $none_module_lessons = Sensei()->modules->get_none_module_lessons( $post->ID  );
-        $course_lessons = Sensei()->course->course_lessons( $post->ID );
+        $none_module_lessons = Sensei()->modules->get_none_module_lessons($post->ID);
+        $course_lessons = Sensei()->course->course_lessons($post->ID);
 
         // title should be Other Lessons if there are lessons belonging to models.
         $title = __('Other Lessons', 'woothemes-sensei');
-        if( count( $course_lessons ) == count( $none_module_lessons )  ){
+        if (count($course_lessons) == count($none_module_lessons)) {
 
             $title = __('Lessons', 'woothemes-sensei');
 
@@ -2508,7 +2508,7 @@ 
         /**
          * hook document in class-woothemes-sensei-message.php
          */
-        $title = apply_filters( 'sensei_single_title', $title, $post->post_type );
+        $title = apply_filters('sensei_single_title', $title, $post->post_type);
 
         ob_start(); // start capturing the following output.
 
@@ -2527,7 +2527,7 @@ 
          * @since 1.9.0
          * @param string $lessons_title_html
          */
-        echo apply_filters('the_course_lessons_title', ob_get_clean() ); // output and filter the captured output and stop capturing.
+        echo apply_filters('the_course_lessons_title', ob_get_clean()); // output and filter the captured output and stop capturing.
 
     }// end the_course_lessons_title
 
@@ -2542,13 +2542,13 @@ 
      * @since 1.9.0
      * @global $wp_query
      */
-    public static function load_single_course_lessons_query(){
+    public static function load_single_course_lessons_query() {
 
         global $post, $wp_query;
 
         $course_id = $post->ID;
 
-        if( 'course' != get_post_type( $course_id ) ){
+        if ('course' != get_post_type($course_id)) {
             return;
         }
 
@@ -2560,7 +2560,7 @@ 
             'meta_query'        => array(
                 array(
                     'key' => '_lesson_course',
-                    'value' => intval( $course_id ),
+                    'value' => intval($course_id),
                 ),
             ),
             'post_status'       => 'public',
@@ -2568,17 +2568,17 @@ 
         );
 
         // Exclude lessons belonging to modules as they are queried along with the modules.
-        $modules = Sensei()->modules->get_course_modules( $course_id );
-        if( !is_wp_error( $modules ) && ! empty( $modules ) && is_array( $modules ) ){
+        $modules = Sensei()->modules->get_course_modules($course_id);
+        if ( ! is_wp_error($modules) && ! empty($modules) && is_array($modules)) {
 
             $terms_ids = array();
-            foreach( $modules as $term ){
+            foreach ($modules as $term) {
 
                 $terms_ids[] = $term->term_id;
 
             }
 
-            $course_lesson_query_args[ 'tax_query'] = array(
+            $course_lesson_query_args['tax_query'] = array(
                 array(
                     'taxonomy' => 'module',
                     'field'    => 'id',
@@ -2588,7 +2588,7 @@ 
             );
         }
 
-        $wp_query = new WP_Query( $course_lesson_query_args );
+        $wp_query = new WP_Query($course_lesson_query_args);
 
     }// load_single_course_lessons
 
@@ -2599,16 +2599,16 @@ 
      *
      * @param $post_id
      */
-    public static function flush_rewrite_rules( $post_id ){
+    public static function flush_rewrite_rules($post_id) {
 
-        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
+        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
 
             return;
 
         }
 
 
-        if( 'course' == get_post_type( $post_id )  ){
+        if ('course' == get_post_type($post_id)) {
 
             Sensei()->initiate_rewrite_rules_flush();
 
@@ -2624,10 +2624,10 @@ 
      * @param $excerpt
      * @return string
      */
-    public static function full_content_excerpt_override( $excerpt ){
+    public static function full_content_excerpt_override($excerpt) {
 
-        if (   is_singular('course')  &&
-                'full' == Sensei()->settings->get( 'course_single_content_display' ) ){
+        if (is_singular('course') &&
+                'full' == Sensei()->settings->get('course_single_content_display')) {
 
             return get_the_content();
 
@@ -2644,60 +2644,60 @@ 
      *
      * @since 1.9.0
      */
-    public static function the_course_enrolment_actions(){
+    public static function the_course_enrolment_actions() {
         ?>
         <section class="course-meta course-enrolment">
         <?php
         global  $post, $current_user;
-        $is_user_taking_course = Sensei_Utils::user_started_course( $post->ID, $current_user->ID );
-        if ( is_user_logged_in() && ! $is_user_taking_course ) {
+        $is_user_taking_course = Sensei_Utils::user_started_course($post->ID, $current_user->ID);
+        if (is_user_logged_in() && ! $is_user_taking_course) {
 
             // Get the product ID
-            $wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
+            $wc_post_id = absint(get_post_meta($post->ID, '_course_woocommerce_product', true));
 
             // Check for woocommerce
-            if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
+            if (Sensei_WC::is_woocommerce_active() && (0 < intval($wc_post_id))) {
                 sensei_wc_add_to_cart($post->ID);
             } else {
                 sensei_start_course_form($post->ID);
             } // End If Statement
 
-        } elseif ( is_user_logged_in() ) {
+        } elseif (is_user_logged_in()) {
 
             // Check if course is completed
-            $user_course_status = Sensei_Utils::user_course_status( $post->ID, $current_user->ID );
-            $completed_course = Sensei_Utils::user_completed_course( $user_course_status );
+            $user_course_status = Sensei_Utils::user_course_status($post->ID, $current_user->ID);
+            $completed_course = Sensei_Utils::user_completed_course($user_course_status);
             // Success message
-            if ( $completed_course ) { ?>
-                <div class="status completed"><?php  _e( 'Completed', 'woothemes-sensei' ); ?></div>
+            if ($completed_course) { ?>
+                <div class="status completed"><?php  _e('Completed', 'woothemes-sensei'); ?></div>
                 <?php
-                $has_quizzes = Sensei()->course->course_quizzes( $post->ID, true );
-                if( has_filter( 'sensei_results_links' ) || $has_quizzes ) { ?>
+                $has_quizzes = Sensei()->course->course_quizzes($post->ID, true);
+                if (has_filter('sensei_results_links') || $has_quizzes) { ?>
                     <p class="sensei-results-links">
                         <?php
                         $results_link = '';
-                        if( $has_quizzes ) {
-                            $results_link = '<a class="view-results" href="' . Sensei()->course_results->get_permalink( $post->ID ) . '">' .  __( 'View results', 'woothemes-sensei' ) . '</a>';
+                        if ($has_quizzes) {
+                            $results_link = '<a class="view-results" href="'.Sensei()->course_results->get_permalink($post->ID).'">'.__('View results', 'woothemes-sensei').'</a>';
                         }
-                        $results_link = apply_filters( 'sensei_results_links', $results_link );
+                        $results_link = apply_filters('sensei_results_links', $results_link);
                         echo $results_link;
                         ?></p>
                 <?php } ?>
             <?php } else { ?>
-                <div class="status in-progress"><?php echo __( 'In Progress', 'woothemes-sensei' ); ?></div>
+                <div class="status in-progress"><?php echo __('In Progress', 'woothemes-sensei'); ?></div>
             <?php }
 
         } else {
             // Get the product ID
-            $wc_post_id = absint( get_post_meta( $post->ID, '_course_woocommerce_product', true ) );
+            $wc_post_id = absint(get_post_meta($post->ID, '_course_woocommerce_product', true));
             // Check for woocommerce
-            if ( Sensei_WC::is_woocommerce_active() && ( 0 < intval( $wc_post_id ) ) ) {
+            if (Sensei_WC::is_woocommerce_active() && (0 < intval($wc_post_id))) {
 
                 sensei_wc_add_to_cart($post->ID);
 
             } else {
 
-                if( get_option( 'users_can_register') ) {
+                if (get_option('users_can_register')) {
 
 
                     $my_courses_page_id = '';
@@ -2713,24 +2713,24 @@ 
                     $wp_register_link = apply_filters('sensei_use_wp_register_link', false);
 
                     $settings = Sensei()->settings->get_settings();
-                    if( isset( $settings[ 'my_course_page' ] )
-                        && 0 < intval( $settings[ 'my_course_page' ] ) ){
+                    if (isset($settings['my_course_page'])
+                        && 0 < intval($settings['my_course_page'])) {
 
-                        $my_courses_page_id = $settings[ 'my_course_page' ];
+                        $my_courses_page_id = $settings['my_course_page'];
 
                     }
 
                     // If a My Courses page was set in Settings, and 'sensei_use_wp_register_link'
                     // is false, link to My Courses. If not, link to default WordPress registration page.
-                    if( !empty( $my_courses_page_id ) && $my_courses_page_id && !$wp_register_link){
+                    if ( ! empty($my_courses_page_id) && $my_courses_page_id && ! $wp_register_link) {
 
-                        $my_courses_url = get_permalink( $my_courses_page_id  );
-                        $register_link = '<a href="'.$my_courses_url. '">' . __('Register', 'woothemes-sensei') .'</a>';
-                        echo '<div class="status register">' . $register_link . '</div>' ;
+                        $my_courses_url = get_permalink($my_courses_page_id);
+                        $register_link = '<a href="'.$my_courses_url.'">'.__('Register', 'woothemes-sensei').'</a>';
+                        echo '<div class="status register">'.$register_link.'</div>';
 
-                    } else{
+                    } else {
 
-                        wp_register( '<div class="status register">', '</div>' );
+                        wp_register('<div class="status register">', '</div>');
 
                     }
 
@@ -2749,19 +2749,19 @@ 
      *
      * @since 1.9.0
      */
-    public static function the_course_video(){
+    public static function the_course_video() {
 
         global $post;
         // Get the meta info
-        $course_video_embed = get_post_meta( $post->ID, '_course_video_embed', true );
+        $course_video_embed = get_post_meta($post->ID, '_course_video_embed', true);
 
-        if ( 'http' == substr( $course_video_embed, 0, 4) ) {
+        if ('http' == substr($course_video_embed, 0, 4)) {
 
-            $course_video_embed = wp_oembed_get( esc_url( $course_video_embed ) );
+            $course_video_embed = wp_oembed_get(esc_url($course_video_embed));
 
         } // End If Statement
 
-        if ( '' != $course_video_embed ) { ?>
+        if ('' != $course_video_embed) { ?>
 
             <div class="course-video">
                 <?php echo html_entity_decode($course_video_embed); ?>
@@ -2776,7 +2776,7 @@ 
      * @global $post
      * @since 1.9.0
      */
-    public static function the_title(){
+    public static function the_title() {
 
         global $post;
 
@@ -2789,7 +2789,7 @@ 
                 /**
                  * Filter documented in class-sensei-messages.php the_title
                  */
-                echo apply_filters( 'sensei_single_title', get_the_title( $post ), $post->post_type );
+                echo apply_filters('sensei_single_title', get_the_title($post), $post->post_type);
                 ?>
 
             </h1>
@@ -2805,30 +2805,30 @@ 
      *
      * @since 1.9.0
      */
-    public static function course_category_title(){
+    public static function course_category_title() {
 
-        if( ! is_tax( 'course-category' ) ){
+        if ( ! is_tax('course-category')) {
             return;
         }
 
         $category_slug = get_query_var('course-category');
-        $term  = get_term_by('slug',$category_slug,'course-category');
+        $term = get_term_by('slug', $category_slug, 'course-category');
 
-        if( ! empty($term) ){
+        if ( ! empty($term)) {
 
             $title = $term->name;
 
-        }else{
+        } else {
 
             $title = 'Course Category';
 
         }
 
         $html = '<h2 class="sensei-category-title">';
-        $html .= __('Category') . ' ' . $title;
+        $html .= __('Category').' '.$title;
         $html .= '</h2>';
 
-        echo apply_filters( 'course_category_title', $html , $term->term_id );
+        echo apply_filters('course_category_title', $html, $term->term_id);
 
     }// course_category_title
 
@@ -2841,16 +2841,16 @@ 
      * @param WP_Query $query
      * @return WP_Query
      */
-    public static function alter_course_category_order( $query ){
+    public static function alter_course_category_order($query) {
 
-        if( ! is_tax( 'course-category' ) || ! $query->is_main_query() ){
+        if ( ! is_tax('course-category') || ! $query->is_main_query()) {
             return $query;
         }
 
-        $order = get_option( 'sensei_course_order', '' );
-        if( !empty( $order )  ){
-            $query->set('orderby', 'menu_order' );
-            $query->set('order', 'ASC' );
+        $order = get_option('sensei_course_order', '');
+        if ( ! empty($order)) {
+            $query->set('orderby', 'menu_order');
+            $query->set('order', 'ASC');
         }
 
         return $query;
@@ -2871,7 +2871,7 @@ 
      *
      * @return array
      */
-    public static function get_default_query_args(){
+    public static function get_default_query_args() {
         return array(
             'post_type' 		=> 'course',
             'posts_per_page' 		=> 1000,
@@ -2889,14 +2889,14 @@ 
      * @param $course_id
      * @return bool
      */
-    public static function is_prerequisite_complete( $course_id ){
+    public static function is_prerequisite_complete($course_id) {
 
-        $course_prerequisite_id = get_post_meta( $course_id, '_course_prerequisite', true );
+        $course_prerequisite_id = get_post_meta($course_id, '_course_prerequisite', true);
 
         // if it has a pre requisite course check it
-        if( ! empty(  $course_prerequisite_id ) ){
+        if ( ! empty($course_prerequisite_id)) {
 
-            return Sensei_Utils::user_completed_course( $course_prerequisite_id, get_current_user_id() );
+            return Sensei_Utils::user_completed_course($course_prerequisite_id, get_current_user_id());
 
         }
 
@@ -2912,4 +2912,4 @@ 
  * for backward compatibility
  * @since 1.9.0
  */
-class WooThemes_Sensei_Course extends Sensei_Course{}
+class WooThemes_Sensei_Course extends Sensei_Course {}

includes/class-sensei-messages.php

Indentation +222 added lines, -222 removed lines

@@ -22,7 +22,7 @@ 
 	 * @since  1.6.0
 	 */
 	public function __construct () {
-        $this->token = 'messages';
+		$this->token = 'messages';
 		$this->post_type = 'sensei_message';
 		$this->meta_fields = array( 'sender', 'receiver' );
 
@@ -37,11 +37,11 @@ 
 		// Monitor when new reply is posted
 		add_action( 'comment_post', array( $this, 'message_reply_received' ), 10, 1 );
 
-        // Block WordPress from sending comment update emails for the messages post type
-        add_filter('comment_notification_recipients', array( $this, 'stop_wp_comment_emails' ),  20, 2  );
+		// Block WordPress from sending comment update emails for the messages post type
+		add_filter('comment_notification_recipients', array( $this, 'stop_wp_comment_emails' ),  20, 2  );
 
-        // Block WordPress from sending comment moderator emails on the sensei messages post types
-        add_filter('comment_moderation_recipients', array( $this, 'stop_wp_comment_emails' ),  20, 2  );
+		// Block WordPress from sending comment moderator emails on the sensei messages post types
+		add_filter('comment_moderation_recipients', array( $this, 'stop_wp_comment_emails' ),  20, 2  );
 
 		// Process saving of message posts
 		add_action( 'save_post', array( $this, 'save_message' ) );
@@ -49,20 +49,20 @@ 
 		// Add message links to courses & lessons
 		add_action( 'sensei_single_course_content_inside_before', array( $this, 'send_message_link' ), 35 );
 
-        // add message link to lesson
-        add_action( 'sensei_single_lesson_content_inside_before', array( $this, 'send_message_link' ), 30, 2 );
+		// add message link to lesson
+		add_action( 'sensei_single_lesson_content_inside_before', array( $this, 'send_message_link' ), 30, 2 );
 
-        // add message link to lesson
-        add_action( 'sensei_single_quiz_questions_before', array( $this, 'send_message_link' ), 10, 2 );
+		// add message link to lesson
+		add_action( 'sensei_single_quiz_questions_before', array( $this, 'send_message_link' ), 10, 2 );
 
 		// Hide messages and replies from users who do not have access
-        add_action( 'template_redirect', array( $this, 'message_login' ), 10, 1 );
-        add_action( 'pre_get_posts', array( $this, 'message_list' ), 10, 1 );
-        add_filter( 'the_title', array( $this, 'message_title' ), 10, 2 );
-        add_filter( 'the_content', array( $this, 'message_content' ), 10, 1 );
-        add_filter( 'comments_array', array( $this, 'message_replies' ), 100, 1 );
-        add_filter( 'get_comments_number', array( $this, 'message_reply_count' ), 100, 2 );
-        add_filter( 'comments_open', array( $this, 'message_replies_open' ), 100, 2 );
+		add_action( 'template_redirect', array( $this, 'message_login' ), 10, 1 );
+		add_action( 'pre_get_posts', array( $this, 'message_list' ), 10, 1 );
+		add_filter( 'the_title', array( $this, 'message_title' ), 10, 2 );
+		add_filter( 'the_content', array( $this, 'message_content' ), 10, 1 );
+		add_filter( 'comments_array', array( $this, 'message_replies' ), 100, 1 );
+		add_filter( 'get_comments_number', array( $this, 'message_reply_count' ), 100, 2 );
+		add_filter( 'comments_open', array( $this, 'message_replies_open' ), 100, 2 );
 	} // End __construct()
 
 	public function add_menu_item() {
@@ -163,8 +163,8 @@ 
 	public function send_message_link( $post_id = 0, $user_id = 0 ) {
 		global  $post;
 
-        // only show the link for the allowed post types:
-        $allowed_post_types = array('lesson', 'course', 'quiz');
+		// only show the link for the allowed post types:
+		$allowed_post_types = array('lesson', 'course', 'quiz');
 		if ( ! in_array( get_post_type() , $allowed_post_types ) ) {
 
 			return;
@@ -187,8 +187,8 @@ 
 				} elseif( 'course' == $post->post_type ) {
 					$contact_button_text = __( 'Contact Course Teacher', 'woothemes-sensei' );
 				}else{
-                    $contact_button_text = __( 'Contact Teacher', 'woothemes-sensei' );
-                }
+					$contact_button_text = __( 'Contact Teacher', 'woothemes-sensei' );
+				}
 
 				$html .= '<p><a class="button send-message-button" href="' . esc_url($href) . '#private_message">' . $contact_button_text . '</a></p>';
 			}
@@ -213,19 +213,19 @@ 
 
 		if( ! isset( $post->ID ) ) return $html;
 
-        //confirm private message
-        $confirmation = '';
-        if( isset( $_GET[ 'send' ] ) && 'complete' == $_GET[ 'send' ] ) {
+		//confirm private message
+		$confirmation = '';
+		if( isset( $_GET[ 'send' ] ) && 'complete' == $_GET[ 'send' ] ) {
 
-            $confirmation_message = __('Your private message has been sent.', 'woothemes-sensei');
-            $confirmation = '<div class="sensei-message tick">' . $confirmation_message . '</div>';
+			$confirmation_message = __('Your private message has been sent.', 'woothemes-sensei');
+			$confirmation = '<div class="sensei-message tick">' . $confirmation_message . '</div>';
 
-        }
+		}
 
 		$html .= '<h3 id="private_message">' . __( 'Send Private Message', 'woothemes-sensei' ) . '</h3>';
-        $html .= '<p>';
-        $html .=  $confirmation;
-        $html .= '</p>';
+		$html .= '<p>';
+		$html .=  $confirmation;
+		$html .= '</p>';
 		$html .= '<form name="contact-teacher" action="" method="post" class="contact-teacher">';
 			$html .= '<p class="form-row form-row-wide">';
 				$html .= '<textarea name="contact_message" placeholder="' . __( 'Enter your private message.', 'woothemes-sensei' ) . '"></textarea>';
@@ -256,7 +256,7 @@ 
 	public function message_reply_received( $comment_id = 0 ) {
 
 		// Get comment object
-    	$comment = get_comment( $comment_id );
+		$comment = get_comment( $comment_id );
 
 		if( is_null( $comment ) ) return;
 
@@ -271,87 +271,87 @@ 
 		do_action( 'sensei_private_message_reply', $comment, $message );
 	}
 
-    /**
-     * This function stops WordPress from sending the default comment update emails.
-     *
-     * This function is hooked into comment_notification_recipients. It will simply return
-     * an empty array if the current passed in comment is on a message post type.
-     *
-     * @param array $emails
-     * @param int $comment_id
-     * @return array;
-     */
-    public function stop_wp_comment_emails( $emails , $comment_id ){
+	/**
+	 * This function stops WordPress from sending the default comment update emails.
+	 *
+	 * This function is hooked into comment_notification_recipients. It will simply return
+	 * an empty array if the current passed in comment is on a message post type.
+	 *
+	 * @param array $emails
+	 * @param int $comment_id
+	 * @return array;
+	 */
+	public function stop_wp_comment_emails( $emails , $comment_id ){
 
-        $comment = get_comment( $comment_id );
-        if( isset( $comment->comment_post_ID ) &&
-            'sensei_message' == get_post_type( $comment->comment_post_ID )  ){
+		$comment = get_comment( $comment_id );
+		if( isset( $comment->comment_post_ID ) &&
+			'sensei_message' == get_post_type( $comment->comment_post_ID )  ){
 
-            // empty the emails array to ensure no emails are sent for this comment
-            $emails = array();
+			// empty the emails array to ensure no emails are sent for this comment
+			$emails = array();
 
-        }
-        return $emails;
+		}
+		return $emails;
 
-    }// end stop_wp_comment_emails
+	}// end stop_wp_comment_emails
 
 	/**
-     * Save new message post
-     * @param  integer $sender_id   ID of sender
-     * @param  integer $receiver_id ID of receiver
-     * @param  string  $message     Message content
-     * @param  string  $post_id     ID of post related to message
-     * @return mixed                Message ID on success, boolean false on failure
-     */
-    private function save_new_message_post( $sender_id = 0, $receiver_id = 0, $message = '', $post_id = 0 ) {
+	 * Save new message post
+	 * @param  integer $sender_id   ID of sender
+	 * @param  integer $receiver_id ID of receiver
+	 * @param  string  $message     Message content
+	 * @param  string  $post_id     ID of post related to message
+	 * @return mixed                Message ID on success, boolean false on failure
+	 */
+	private function save_new_message_post( $sender_id = 0, $receiver_id = 0, $message = '', $post_id = 0 ) {
 
-    	$message_id = false;
+		$message_id = false;
 
-    	if( $sender_id && $receiver_id && $message && $post_id ) {
+		if( $sender_id && $receiver_id && $message && $post_id ) {
 
-    		$title = wp_trim_words( $message, 8, '...' );
+			$title = wp_trim_words( $message, 8, '...' );
 
-    		// Set up post data for message
-	    	$message_data = array(
-	            'post_type'      => $this->post_type,
-	            'post_title'     => esc_html( $title ),
-	            'post_content'   => esc_html( $message ),
-	            'post_status'    => 'publish',
-	            'ping_status'    => 'closed',
-	            'comment_status' => 'open',
-	            'post_excerpt'   => '',
-	            'post_author'	 => intval( $sender_id )
-	        );
+			// Set up post data for message
+			$message_data = array(
+				'post_type'      => $this->post_type,
+				'post_title'     => esc_html( $title ),
+				'post_content'   => esc_html( $message ),
+				'post_status'    => 'publish',
+				'ping_status'    => 'closed',
+				'comment_status' => 'open',
+				'post_excerpt'   => '',
+				'post_author'	 => intval( $sender_id )
+			);
 
-	    	// Insert post
-	        $message_id = wp_insert_post( $message_data );
+			// Insert post
+			$message_id = wp_insert_post( $message_data );
 
-	        if( ! is_wp_error( $message_id ) ) {
+			if( ! is_wp_error( $message_id ) ) {
 
-	        	// Add sender to message meta
-	        	$sender = get_userdata( $sender_id );
-	        	add_post_meta( $message_id, '_sender', $sender->user_login );
+				// Add sender to message meta
+				$sender = get_userdata( $sender_id );
+				add_post_meta( $message_id, '_sender', $sender->user_login );
 
-	        	// Add receiver to message meta
-	        	$receiver = get_userdata( $receiver_id );
-		        add_post_meta( $message_id, '_receiver', $receiver->user_login );
+				// Add receiver to message meta
+				$receiver = get_userdata( $receiver_id );
+				add_post_meta( $message_id, '_receiver', $receiver->user_login );
 
-		        // Add lesson/course ID to message meta
-		        $post = get_post( $post_id );
-		        add_post_meta( $message_id, '_posttype', $post->post_type );
-		        add_post_meta( $message_id, '_post', $post->ID );
+				// Add lesson/course ID to message meta
+				$post = get_post( $post_id );
+				add_post_meta( $message_id, '_posttype', $post->post_type );
+				add_post_meta( $message_id, '_post', $post->ID );
 
-		        do_action( 'sensei_new_private_message', $message_id );
+				do_action( 'sensei_new_private_message', $message_id );
 
-		    } else {
+			} else {
 
-		    	$message_id = false;
+				$message_id = false;
 
-		    }
-	    }
+			}
+		}
 
-	    return $message_id;
-    }
+		return $message_id;
+	}
 
 	/**
 	 * Check if user has access to view this message
@@ -390,56 +390,56 @@ 
 		remove_meta_box('commentstatusdiv', $this->post_type, 'normal');
 	}
 
-    /**
-     * Function message_login()
-     *
-     * Only show /messages/* to logged in users, and
-     * redirect logged out users to wp-login.php
-     *
-     * @since 1.9.0
-     * @param  none
-     * @return void
-     */
+	/**
+	 * Function message_login()
+	 *
+	 * Only show /messages/* to logged in users, and
+	 * redirect logged out users to wp-login.php
+	 *
+	 * @since 1.9.0
+	 * @param  none
+	 * @return void
+	 */
 
-    public function message_login () {
+	public function message_login () {
 
-        if ( is_user_logged_in() ) {
+		if ( is_user_logged_in() ) {
 
-            return;
-        }
+			return;
+		}
 
-        $settings = Sensei()->settings->get_settings();
-        if( isset( $settings[ 'my_course_page' ] )
-            && 0 < intval( $settings[ 'my_course_page' ] ) ){
+		$settings = Sensei()->settings->get_settings();
+		if( isset( $settings[ 'my_course_page' ] )
+			&& 0 < intval( $settings[ 'my_course_page' ] ) ){
 
-            $my_courses_page_id = $settings[ 'my_course_page' ];
+			$my_courses_page_id = $settings[ 'my_course_page' ];
 
-            $my_courses_url = get_permalink($my_courses_page_id);
+			$my_courses_url = get_permalink($my_courses_page_id);
 
-        }
+		}
 
-        if ( is_single() && is_singular( $this->post_type )
-            || is_post_type_archive( $this->post_type ) ) {
+		if ( is_single() && is_singular( $this->post_type )
+			|| is_post_type_archive( $this->post_type ) ) {
 
-            if ( isset($my_courses_url) ) {
+			if ( isset($my_courses_url) ) {
 
-                wp_redirect($my_courses_url, 303);
-                exit;
-            }
+				wp_redirect($my_courses_url, 303);
+				exit;
+			}
 
-            else {
+			else {
 
-                wp_redirect(home_url('/wp-login.php'), 303);
-                exit;
-            }
+				wp_redirect(home_url('/wp-login.php'), 303);
+				exit;
+			}
 
-        }
-    }
+		}
+	}
 	/**
-     * Only show allowed messages in messages archive
-     * @param  array $query Original query
-     * @return void
-     */
+	 * Only show allowed messages in messages archive
+	 * @param  array $query Original query
+	 * @return void
+	 */
 	public function message_list( $query ) {
 		global $current_user;
 
@@ -556,17 +556,17 @@ 
 		return $open;
 	}
 
-    /**
-     * Print outthe message was sent by $sender_username on the
-     *
-     * @since 1.9.0
-     */
-    public static function the_message_sent_by_title(){
+	/**
+	 * Print outthe message was sent by $sender_username on the
+	 *
+	 * @since 1.9.0
+	 */
+	public static function the_message_sent_by_title(){
 
-        $sender_username = get_post_meta( get_the_ID() , '_sender', true );
-        if( $sender_username ) {
+		$sender_username = get_post_meta( get_the_ID() , '_sender', true );
+		if( $sender_username ) {
 
-            $sender = get_user_by( 'login', $sender_username ); ?>
+			$sender = get_user_by( 'login', $sender_username ); ?>
 
             <p class="message-meta">
                 <small>
@@ -578,41 +578,41 @@ 
 
         <?php }
 
-    }
+	}
 
-    /**
-     * sensei_single_title output for single page title
-     * @since  1.1.0
-     * @return void
-     * @deprecate
-     */
-    public static function the_title() {
+	/**
+	 * sensei_single_title output for single page title
+	 * @since  1.1.0
+	 * @return void
+	 * @deprecate
+	 */
+	public static function the_title() {
 
-        global $post;
+		global $post;
 
-        $content_post_id = get_post_meta( $post->ID, '_post', true );
-        if( $content_post_id ) {
-            $title = sprintf( __( 'Re: %1$s', 'woothemes-sensei' ), '<a href="' . get_permalink( $content_post_id ) . '">' . get_the_title( $content_post_id ) . '</a>' );
-        } else {
-            $title = get_the_title( $post->ID );
-        }
+		$content_post_id = get_post_meta( $post->ID, '_post', true );
+		if( $content_post_id ) {
+			$title = sprintf( __( 'Re: %1$s', 'woothemes-sensei' ), '<a href="' . get_permalink( $content_post_id ) . '">' . get_the_title( $content_post_id ) . '</a>' );
+		} else {
+			$title = get_the_title( $post->ID );
+		}
 
-        ?>
+		?>
         <header>
 
             <h1>
 
                 <?php
-                /**
-                 * Filter Sensei single title
-                 *
-                 * @since 1.8.0
-                 * @param string $title
-                 * @param string $template
-                 * @param string $post_type
-                 */
-                echo apply_filters( 'sensei_single_title', $title, $post->post_type );
-                ?>
+				/**
+				 * Filter Sensei single title
+				 *
+				 * @since 1.8.0
+				 * @param string $title
+				 * @param string $template
+				 * @param string $post_type
+				 */
+				echo apply_filters( 'sensei_single_title', $title, $post->post_type );
+				?>
 
             </h1>
 
@@ -620,52 +620,52 @@ 
 
         <?php
 
-    } // End sensei_single_title()
+	} // End sensei_single_title()
 
-    /**
-     * Generates the my messages
-     * archive header.
-     *
-     * @since 1.9.0
-     *
-     * @return string
-     */
-    public static function the_archive_header( ){
+	/**
+	 * Generates the my messages
+	 * archive header.
+	 *
+	 * @since 1.9.0
+	 *
+	 * @return string
+	 */
+	public static function the_archive_header( ){
 
-        $html = '';
-        $html .= '<header class="archive-header"><h1>';
-        $html .= __( 'My Messages', 'woothemes-sensei' );
-        $html .= '</h1></header>';
+		$html = '';
+		$html .= '<header class="archive-header"><h1>';
+		$html .= __( 'My Messages', 'woothemes-sensei' );
+		$html .= '</h1></header>';
 
-        /**
-         * Filter the sensei messages archive title.
-         * @since 1.0.0
-         */
-        echo apply_filters( 'sensei_message_archive_title', $html );
+		/**
+		 * Filter the sensei messages archive title.
+		 * @since 1.0.0
+		 */
+		echo apply_filters( 'sensei_message_archive_title', $html );
 
-    } // get_archive_header()
+	} // get_archive_header()
 
-    /**
-     * Output the title for a message given the post_id.
-     *
-     * @since 1.9.0
-     * @param $post_id
-     */
-    public static function the_message_title( $message_post_id ){
+	/**
+	 * Output the title for a message given the post_id.
+	 *
+	 * @since 1.9.0
+	 * @param $post_id
+	 */
+	public static function the_message_title( $message_post_id ){
 
-        $content_post_id = get_post_meta( $message_post_id, '_post', true );
+		$content_post_id = get_post_meta( $message_post_id, '_post', true );
 
-        if( $content_post_id ) {
+		if( $content_post_id ) {
 
-            $title = sprintf( __( 'Re: %1$s', 'woothemes-sensei' ), get_the_title( $content_post_id ) );
+			$title = sprintf( __( 'Re: %1$s', 'woothemes-sensei' ), get_the_title( $content_post_id ) );
 
-        } else {
+		} else {
 
-            $title = get_the_title( $message_post_id );
+			$title = get_the_title( $message_post_id );
 
-        }
+		}
 
-        ?>
+		?>
         <h2>
             <a href="<?php esc_url( get_permalink( $message_post_id ) );?>">
                 <?php echo  $title; ?>
@@ -674,21 +674,21 @@ 
         </h2>
 
         <?php
-    } //end the_message_header
+	} //end the_message_header
 
-    /**
-     * Output the message sender given the post id.
-     *
-     * @param $message_post_id
-     */
-    public  static function the_message_sender( $message_post_id ){
+	/**
+	 * Output the message sender given the post id.
+	 *
+	 * @param $message_post_id
+	 */
+	public  static function the_message_sender( $message_post_id ){
 
-        $sender_username = get_post_meta( $message_post_id, '_sender', true );
-        $sender = get_user_by( 'login', $sender_username );
+		$sender_username = get_post_meta( $message_post_id, '_sender', true );
+		$sender = get_user_by( 'login', $sender_username );
 
-        if( $sender_username && $sender instanceof WP_User ) {
-            $sender_display_name = sprintf( __( 'Sent by %1$s on %2$s.', 'woothemes-sensei' ), $sender->display_name, get_the_date() );
-            ?>
+		if( $sender_username && $sender instanceof WP_User ) {
+			$sender_display_name = sprintf( __( 'Sent by %1$s on %2$s.', 'woothemes-sensei' ), $sender->display_name, get_the_date() );
+			?>
             <p class="message-meta">
                 <small>
                     <em> <?php echo $sender_display_name; ?> </em>
@@ -696,18 +696,18 @@ 
             </p>
 
             <?php
-        } // end if
-
-    } // end the_message_archive_sender
-
-    /**
-     * Link to the users my messages page
-     *
-     * @since 1.9.0
-     */
-    public static function the_my_messages_link(){
-        if( ! Sensei()->settings->get('messages_disable')  ) {
-            ?>
+		} // end if
+
+	} // end the_message_archive_sender
+
+	/**
+	 * Link to the users my messages page
+	 *
+	 * @since 1.9.0
+	 */
+	public static function the_my_messages_link(){
+		if( ! Sensei()->settings->get('messages_disable')  ) {
+			?>
             <p class="my-messages-link-container">
                 <a class="my-messages-link" href="<?php echo get_post_type_archive_link( 'sensei_message' ); ?>"
                    title="<?php _e( 'View & reply to private messages sent to your course & lesson teachers.', 'woothemes-sensei' ); ?>">
@@ -715,8 +715,8 @@ 
                 </a>
             </p>
             <?php
-        }
-    }
+		}
+	}
 
 } // End Class
 

includes/class-sensei-learners-main.php

Indentation +32 added lines, -32 removed lines

@@ -206,13 +206,13 @@ 
 
 	/**
 	 * Generates content for a single row of the table in the user management
-     * screen.
-     *
+	 * screen.
+	 *
 	 * @since  1.7.0
-     *
+	 *
 	 * @param object $item The current item
-     *
-     * @return void
+	 *
+	 * @return void
 	 */
 	protected function get_row_data( $item ) {
 		global $wp_version;
@@ -220,8 +220,8 @@ 
 		switch ( $this->view ) {
 			case 'learners' :
 
-                // in this case the item passed in is actually the users activity on course of lesson
-                $user_activity = $item;
+				// in this case the item passed in is actually the users activity on course of lesson
+				$user_activity = $item;
 				$post_id = false;
 
 				if( $this->lesson_id ) {
@@ -240,45 +240,45 @@ 
 
 				if( 'complete' == $user_activity->comment_approved || 'graded' == $user_activity->comment_approved || 'passed' == $user_activity->comment_approved ) {
 
-                    $status_html = '<span class="graded">' .__( 'Completed', 'woothemes-sensei' ) . '</span>';
+					$status_html = '<span class="graded">' .__( 'Completed', 'woothemes-sensei' ) . '</span>';
 
 				} else {
 
-                    $status_html = '<span class="in-progress">' . __( 'In Progress', 'woothemes-sensei' ) . '</span>';
+					$status_html = '<span class="in-progress">' . __( 'In Progress', 'woothemes-sensei' ) . '</span>';
 
 				}
 
-                $title = Sensei_Student::get_full_name( $user_activity->user_id );
+				$title = Sensei_Student::get_full_name( $user_activity->user_id );
 				$a_title = sprintf( __( 'Edit &#8220;%s&#8221;' ), $title );
 
-                // get the learners order for this course if the course was purchased
+				// get the learners order for this course if the course was purchased
 
-                $course_order_id_attribute = '';
-                if( Sensei_WC::is_woocommerce_active() ){
+				$course_order_id_attribute = '';
+				if( Sensei_WC::is_woocommerce_active() ){
 
-                    $course_product_order_id = Sensei_WC::get_learner_course_active_order_id( $user_activity->user_id, $post_id  );
+					$course_product_order_id = Sensei_WC::get_learner_course_active_order_id( $user_activity->user_id, $post_id  );
 
-                    if( $course_product_order_id ){
+					if( $course_product_order_id ){
 
-                        $course_order_id_attribute = ' data-order_id="' . $course_product_order_id . '" ';
+						$course_order_id_attribute = ' data-order_id="' . $course_product_order_id . '" ';
 
-                    }
+					}
 
-                }
+				}
 
-                /**
-                 * sensei_learners_main_column_data filter
-                 *
-                 * This filter runs on the learner management screen for a specific course.
-                 * It provides the learner row column details.
-                 *
-                 * @param array $columns{
-                 *   type string $title
-                 *   type string $date_started
-                 *   type string $course_status (completed, started etc)
-                 *   type html $action_buttons
-                 * }
-                 */
+				/**
+				 * sensei_learners_main_column_data filter
+				 *
+				 * This filter runs on the learner management screen for a specific course.
+				 * It provides the learner row column details.
+				 *
+				 * @param array $columns{
+				 *   type string $title
+				 *   type string $date_started
+				 *   type string $course_status (completed, started etc)
+				 *   type html $action_buttons
+				 * }
+				 */
 				$column_data = apply_filters( 'sensei_learners_main_column_data', array(
 						'title' => '<strong><a class="row-title" href="' . admin_url( 'user-edit.php?user_id=' . $user_activity->user_id ) . '" title="' . esc_attr( $a_title ) . '">' . $title . '</a></strong>',
 						'date_started' => get_comment_meta( $user_activity->comment_ID, 'start', true),
@@ -308,7 +308,7 @@ 
 
 			case 'courses' :
 			default:
-                $course_learners = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_learners_course_learners', array( 'post_id' => $item->ID, 'type' => 'sensei_course_status', 'status' => 'any' ) ) );
+				$course_learners = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_learners_course_learners', array( 'post_id' => $item->ID, 'type' => 'sensei_course_status', 'status' => 'any' ) ) );
 				$title = get_the_title( $item );
 				$a_title = sprintf( __( 'Edit &#8220;%s&#8221;' ), $title );
 

Spacing +178 added lines, -178 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Learners Overview List Table Class
@@ -23,28 +23,28 @@ 
 	 * @since  1.6.0
 	 * @return  void
 	 */
-	public function __construct ( $course_id = 0, $lesson_id = 0 ) {
-		$this->course_id = intval( $course_id );
-		$this->lesson_id = intval( $lesson_id );
+	public function __construct($course_id = 0, $lesson_id = 0) {
+		$this->course_id = intval($course_id);
+		$this->lesson_id = intval($lesson_id);
 
-		if( isset( $_GET['view'] ) && in_array( $_GET['view'], array( 'courses', 'lessons', 'learners' ) ) ) {
+		if (isset($_GET['view']) && in_array($_GET['view'], array('courses', 'lessons', 'learners'))) {
 			$this->view = $_GET['view'];
 		}
 
 		// Viewing a single lesson always sets the view to Learners
-		if( $this->lesson_id ) {
+		if ($this->lesson_id) {
 			$this->view = 'learners';
 		}
 
 		// Load Parent token into constructor
-		parent::__construct( 'learners_main' );
+		parent::__construct('learners_main');
 
 		// Actions
-		add_action( 'sensei_before_list_table', array( $this, 'data_table_header' ) );
-		add_action( 'sensei_after_list_table', array( $this, 'data_table_footer' ) );
-		add_action( 'sensei_learners_extra', array( $this, 'add_learners_box' ) );
+		add_action('sensei_before_list_table', array($this, 'data_table_header'));
+		add_action('sensei_after_list_table', array($this, 'data_table_footer'));
+		add_action('sensei_learners_extra', array($this, 'add_learners_box'));
 
-		add_filter( 'sensei_list_table_search_button_text', array( $this, 'search_button' ) );
+		add_filter('sensei_list_table_search_button_text', array($this, 'search_button'));
 	} // End __construct()
 
 	/**
@@ -54,38 +54,38 @@ 
 	 */
 	function get_columns() {
 		$columns = array();
-		switch( $this->view ) {
+		switch ($this->view) {
 			case 'learners':
 				$columns = array(
-					'title' => __( 'Learner', 'woothemes-sensei' ),
-					'date_started' => __( 'Date Started', 'woothemes-sensei' ),
-					'user_status' => __( 'Status', 'woothemes-sensei' ),
+					'title' => __('Learner', 'woothemes-sensei'),
+					'date_started' => __('Date Started', 'woothemes-sensei'),
+					'user_status' => __('Status', 'woothemes-sensei'),
 				);
 				break;
 
 			case 'lessons':
 				$columns = array(
-					'title' => __( 'Lesson', 'woothemes-sensei' ),
-					'num_learners' => __( '# Learners', 'woothemes-sensei' ),
-					'updated' => __( 'Last Updated', 'woothemes-sensei' ),
+					'title' => __('Lesson', 'woothemes-sensei'),
+					'num_learners' => __('# Learners', 'woothemes-sensei'),
+					'updated' => __('Last Updated', 'woothemes-sensei'),
 				);
 				break;
 
 			case 'courses':
 			default:
 				$columns = array(
-					'title' => __( 'Course', 'woothemes-sensei' ),
-					'num_learners' => __( '# Learners', 'woothemes-sensei' ),
-					'updated' => __( 'Last Updated', 'woothemes-sensei' ),
+					'title' => __('Course', 'woothemes-sensei'),
+					'num_learners' => __('# Learners', 'woothemes-sensei'),
+					'updated' => __('Last Updated', 'woothemes-sensei'),
 				);
 				break;
 		}
 		$columns['actions'] = '';
 		// Backwards compatible
-		if ( 'learners' == $this->view ) {
-			$columns = apply_filters( 'sensei_learners_learners_columns', $columns, $this );
+		if ('learners' == $this->view) {
+			$columns = apply_filters('sensei_learners_learners_columns', $columns, $this);
 		}
-		$columns = apply_filters( 'sensei_learners_default_columns', $columns, $this );
+		$columns = apply_filters('sensei_learners_default_columns', $columns, $this);
 		return $columns;
 	}
 
@@ -96,32 +96,32 @@ 
 	 */
 	function get_sortable_columns() {
 		$columns = array();
-		switch( $this->view ) {
+		switch ($this->view) {
 			case 'learners':
 				$columns = array(
-					'title' => array( 'title', false ),
+					'title' => array('title', false),
 				);
 				break;
 
 			case 'lessons':
 				$columns = array(
-					'title' => array( 'title', false ),
-					'updated' => array( 'post_modified', false ),
+					'title' => array('title', false),
+					'updated' => array('post_modified', false),
 				);
 				break;
 
 			default:
 				$columns = array(
-					'title' => array( 'title', false ),
-					'updated' => array( 'post_modified', false ),
+					'title' => array('title', false),
+					'updated' => array('post_modified', false),
 				);
 				break;
 		}
 		// Backwards compatible
-		if ( 'learners' == $this->view ) {
-			$columns = apply_filters( 'sensei_learners_learners_columns_sortable', $columns, $this );
+		if ('learners' == $this->view) {
+			$columns = apply_filters('sensei_learners_learners_columns_sortable', $columns, $this);
 		}
-		$columns = apply_filters( 'sensei_learners_default_columns_sortable', $columns, $this );
+		$columns = apply_filters('sensei_learners_default_columns_sortable', $columns, $this);
 		return $columns;
 	}
 
@@ -135,72 +135,72 @@ 
 
 		// Handle orderby
 		$orderby = '';
-		if ( !empty( $_GET['orderby'] ) ) {
-			if ( array_key_exists( esc_html( $_GET['orderby'] ), $this->get_sortable_columns() ) ) {
-				$orderby = esc_html( $_GET['orderby'] );
+		if ( ! empty($_GET['orderby'])) {
+			if (array_key_exists(esc_html($_GET['orderby']), $this->get_sortable_columns())) {
+				$orderby = esc_html($_GET['orderby']);
 			} // End If Statement
 		}
 
 		// Handle order
 		$order = 'DESC';
-		if ( !empty( $_GET['order'] ) ) {
-			$order = ( 'ASC' == strtoupper($_GET['order']) ) ? 'ASC' : 'DESC';
+		if ( ! empty($_GET['order'])) {
+			$order = ('ASC' == strtoupper($_GET['order'])) ? 'ASC' : 'DESC';
 		}
 
 		// Handle category selection
 		$category = false;
-		if ( !empty( $_GET['course_cat'] ) ) {
-			$category = intval( $_GET['course_cat'] );
+		if ( ! empty($_GET['course_cat'])) {
+			$category = intval($_GET['course_cat']);
 		} // End If Statement
 
 		// Handle search
 		$search = false;
-		if ( !empty( $_GET['s'] ) ) {
-			$search = esc_html( $_GET['s'] );
+		if ( ! empty($_GET['s'])) {
+			$search = esc_html($_GET['s']);
 		} // End If Statement
 
-		$per_page = $this->get_items_per_page( 'sensei_comments_per_page' );
-		$per_page = apply_filters( 'sensei_comments_per_page', $per_page, 'sensei_comments' );
+		$per_page = $this->get_items_per_page('sensei_comments_per_page');
+		$per_page = apply_filters('sensei_comments_per_page', $per_page, 'sensei_comments');
 
 		$paged = $this->get_pagenum();
 		$offset = 0;
-		if ( !empty($paged) ) {
-			$offset = $per_page * ( $paged - 1 );
+		if ( ! empty($paged)) {
+			$offset = $per_page * ($paged - 1);
 		} // End If Statement
 
-		switch( $this->view ) {
+		switch ($this->view) {
 			case 'learners':
-				if ( empty($orderby) ) {
+				if (empty($orderby)) {
 					$orderby = '';
 				}
-				$this->items = $this->get_learners( compact( 'per_page', 'offset', 'orderby', 'order', 'search' ) );
+				$this->items = $this->get_learners(compact('per_page', 'offset', 'orderby', 'order', 'search'));
 
 			break;
 
 			case 'lessons':
-				if ( empty($orderby) ) {
+				if (empty($orderby)) {
 					$orderby = 'post_modified';
 				}
-				$this->items = $this->get_lessons( compact( 'per_page', 'offset', 'orderby', 'order', 'search' ) );
+				$this->items = $this->get_lessons(compact('per_page', 'offset', 'orderby', 'order', 'search'));
 
 			break;
 
 			default:
-				if ( empty($orderby) ) {
+				if (empty($orderby)) {
 					$orderby = 'post_modified';
 				}
-				$this->items = $this->get_courses( compact( 'per_page', 'offset', 'orderby', 'order', 'category', 'search' ) );
+				$this->items = $this->get_courses(compact('per_page', 'offset', 'orderby', 'order', 'category', 'search'));
 
 			break;
 		}
 
 		$total_items = $this->total_items;
-		$total_pages = ceil( $total_items / $per_page );
-		$this->set_pagination_args( array(
+		$total_pages = ceil($total_items / $per_page);
+		$this->set_pagination_args(array(
 			'total_items' => $total_items,
 			'total_pages' => $total_pages,
 			'per_page' => $per_page
-		) );
+		));
 
 	} // End prepare_items()
 
@@ -214,53 +214,53 @@ 
      *
      * @return void
 	 */
-	protected function get_row_data( $item ) {
+	protected function get_row_data($item) {
 		global $wp_version;
 
-		switch ( $this->view ) {
+		switch ($this->view) {
 			case 'learners' :
 
                 // in this case the item passed in is actually the users activity on course of lesson
                 $user_activity = $item;
 				$post_id = false;
 
-				if( $this->lesson_id ) {
+				if ($this->lesson_id) {
 
-					$post_id = intval( $this->lesson_id );
-					$object_type = __( 'lesson', 'woothemes-sensei' );
+					$post_id = intval($this->lesson_id);
+					$object_type = __('lesson', 'woothemes-sensei');
 					$post_type = 'lesson';
 
-				} elseif( $this->course_id ) {
+				} elseif ($this->course_id) {
 
-					$post_id = intval( $this->course_id );
-					$object_type = __( 'course', 'woothemes-sensei' );
+					$post_id = intval($this->course_id);
+					$object_type = __('course', 'woothemes-sensei');
 					$post_type = 'course';
 
 				}
 
-				if( 'complete' == $user_activity->comment_approved || 'graded' == $user_activity->comment_approved || 'passed' == $user_activity->comment_approved ) {
+				if ('complete' == $user_activity->comment_approved || 'graded' == $user_activity->comment_approved || 'passed' == $user_activity->comment_approved) {
 
-                    $status_html = '<span class="graded">' .__( 'Completed', 'woothemes-sensei' ) . '</span>';
+                    $status_html = '<span class="graded">'.__('Completed', 'woothemes-sensei').'</span>';
 
 				} else {
 
-                    $status_html = '<span class="in-progress">' . __( 'In Progress', 'woothemes-sensei' ) . '</span>';
+                    $status_html = '<span class="in-progress">'.__('In Progress', 'woothemes-sensei').'</span>';
 
 				}
 
-                $title = Sensei_Student::get_full_name( $user_activity->user_id );
-				$a_title = sprintf( __( 'Edit &#8220;%s&#8221;' ), $title );
+                $title = Sensei_Student::get_full_name($user_activity->user_id);
+				$a_title = sprintf(__('Edit &#8220;%s&#8221;'), $title);
 
                 // get the learners order for this course if the course was purchased
 
                 $course_order_id_attribute = '';
-                if( Sensei_WC::is_woocommerce_active() ){
+                if (Sensei_WC::is_woocommerce_active()) {
 
-                    $course_product_order_id = Sensei_WC::get_learner_course_active_order_id( $user_activity->user_id, $post_id  );
+                    $course_product_order_id = Sensei_WC::get_learner_course_active_order_id($user_activity->user_id, $post_id);
 
-                    if( $course_product_order_id ){
+                    if ($course_product_order_id) {
 
-                        $course_order_id_attribute = ' data-order_id="' . $course_product_order_id . '" ';
+                        $course_order_id_attribute = ' data-order_id="'.$course_product_order_id.'" ';
 
                     }
 
@@ -279,50 +279,50 @@ 
                  *   type html $action_buttons
                  * }
                  */
-				$column_data = apply_filters( 'sensei_learners_main_column_data', array(
-						'title' => '<strong><a class="row-title" href="' . admin_url( 'user-edit.php?user_id=' . $user_activity->user_id ) . '" title="' . esc_attr( $a_title ) . '">' . $title . '</a></strong>',
-						'date_started' => get_comment_meta( $user_activity->comment_ID, 'start', true),
+				$column_data = apply_filters('sensei_learners_main_column_data', array(
+						'title' => '<strong><a class="row-title" href="'.admin_url('user-edit.php?user_id='.$user_activity->user_id).'" title="'.esc_attr($a_title).'">'.$title.'</a></strong>',
+						'date_started' => get_comment_meta($user_activity->comment_ID, 'start', true),
 						'user_status' => $status_html,
-						'actions' => '<a class="remove-learner button" data-user_id="' . $user_activity->user_id . '" data-post_id="' . $post_id . '" data-post_type="' . $post_type . '" '. $course_order_id_attribute . '">' . sprintf( __( 'Remove from %1$s', 'woothemes-sensei' ), $object_type ) . '</a>',
-					), $item, $post_id, $post_type );
+						'actions' => '<a class="remove-learner button" data-user_id="'.$user_activity->user_id.'" data-post_id="'.$post_id.'" data-post_type="'.$post_type.'" '.$course_order_id_attribute.'">'.sprintf(__('Remove from %1$s', 'woothemes-sensei'), $object_type).'</a>',
+					), $item, $post_id, $post_type);
 
 				break;
 
 			case 'lessons' :
-				$lesson_learners = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_learners_lesson_learners', array( 'post_id' => $item->ID, 'type' => 'sensei_lesson_status', 'status' => 'any' ) ) );
-				$title = get_the_title( $item );
-				$a_title = sprintf( __( 'Edit &#8220;%s&#8221;' ), $title );
+				$lesson_learners = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_learners_lesson_learners', array('post_id' => $item->ID, 'type' => 'sensei_lesson_status', 'status' => 'any')));
+				$title = get_the_title($item);
+				$a_title = sprintf(__('Edit &#8220;%s&#8221;'), $title);
 
 				$grading_action = '';
-				if ( get_post_meta( $item->ID, '_quiz_has_questions', true ) ) {
-					$grading_action = ' <a class="button" href="' . esc_url( add_query_arg( array( 'page' => 'sensei_grading', 'lesson_id' => $item->ID, 'course_id' => $this->course_id ), admin_url( 'admin.php' ) ) ) . '">' . __( 'Grading', 'woothemes-sensei' ) . '</a>';
+				if (get_post_meta($item->ID, '_quiz_has_questions', true)) {
+					$grading_action = ' <a class="button" href="'.esc_url(add_query_arg(array('page' => 'sensei_grading', 'lesson_id' => $item->ID, 'course_id' => $this->course_id), admin_url('admin.php'))).'">'.__('Grading', 'woothemes-sensei').'</a>';
 				}
 
-				$column_data = apply_filters( 'sensei_learners_main_column_data', array(
-						'title' => '<strong><a class="row-title" href="' . admin_url( 'post.php?action=edit&post=' . $item->ID ) . '" title="' . esc_attr( $a_title ) . '">' . $title . '</a></strong>',
+				$column_data = apply_filters('sensei_learners_main_column_data', array(
+						'title' => '<strong><a class="row-title" href="'.admin_url('post.php?action=edit&post='.$item->ID).'" title="'.esc_attr($a_title).'">'.$title.'</a></strong>',
 						'num_learners' => $lesson_learners,
 						'updated' => $item->post_modified,
-						'actions' => '<a class="button" href="' . esc_url( add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $item->ID, 'course_id' => $this->course_id, 'view' => 'learners' ), admin_url( 'admin.php' ) ) ) . '">' . __( 'Manage learners', 'woothemes-sensei' ) . '</a> ' . $grading_action,
-					), $item, $this->course_id );
+						'actions' => '<a class="button" href="'.esc_url(add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $item->ID, 'course_id' => $this->course_id, 'view' => 'learners'), admin_url('admin.php'))).'">'.__('Manage learners', 'woothemes-sensei').'</a> '.$grading_action,
+					), $item, $this->course_id);
 				break;
 
 			case 'courses' :
 			default:
-                $course_learners = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_learners_course_learners', array( 'post_id' => $item->ID, 'type' => 'sensei_course_status', 'status' => 'any' ) ) );
-				$title = get_the_title( $item );
-				$a_title = sprintf( __( 'Edit &#8220;%s&#8221;' ), $title );
+                $course_learners = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_learners_course_learners', array('post_id' => $item->ID, 'type' => 'sensei_course_status', 'status' => 'any')));
+				$title = get_the_title($item);
+				$a_title = sprintf(__('Edit &#8220;%s&#8221;'), $title);
 
 				$grading_action = '';
-				if ( version_compare($wp_version, '4.1', '>=') ) {
-					$grading_action = ' <a class="button" href="' . esc_url( add_query_arg( array( 'page' => 'sensei_grading', 'course_id' => $item->ID ), admin_url( 'admin.php' ) ) ) . '">' . __( 'Grading', 'woothemes-sensei' ) . '</a>';
+				if (version_compare($wp_version, '4.1', '>=')) {
+					$grading_action = ' <a class="button" href="'.esc_url(add_query_arg(array('page' => 'sensei_grading', 'course_id' => $item->ID), admin_url('admin.php'))).'">'.__('Grading', 'woothemes-sensei').'</a>';
 				}
 
-				$column_data = apply_filters( 'sensei_learners_main_column_data', array(
-						'title' => '<strong><a class="row-title" href="' . admin_url( 'post.php?action=edit&post=' . $item->ID ) . '" title="' . esc_attr( $a_title ) . '">' . $title . '</a></strong>',
+				$column_data = apply_filters('sensei_learners_main_column_data', array(
+						'title' => '<strong><a class="row-title" href="'.admin_url('post.php?action=edit&post='.$item->ID).'" title="'.esc_attr($a_title).'">'.$title.'</a></strong>',
 						'num_learners' => $course_learners,
 						'updated' => $item->post_modified,
-						'actions' => '<a class="button" href="' . esc_url( add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $item->ID, 'view' => 'learners' ), admin_url( 'admin.php' ) ) ) . '">' . __( 'Manage learners', 'woothemes-sensei' ) . '</a> ' . $grading_action,
-					), $item );
+						'actions' => '<a class="button" href="'.esc_url(add_query_arg(array('page' => $this->page_slug, 'course_id' => $item->ID, 'view' => 'learners'), admin_url('admin.php'))).'">'.__('Manage learners', 'woothemes-sensei').'</a> '.$grading_action,
+					), $item);
 
 				break;
 		} // switch
@@ -335,7 +335,7 @@ 
 	 * @since  1.7.0
 	 * @return array courses
 	 */
-	private function get_courses( $args ) {
+	private function get_courses($args) {
 		$course_args = array(
 			'post_type' => 'course',
 			'post_status' => 'publish',
@@ -345,7 +345,7 @@ 
 			'order' => $args['order'],
 		);
 
-		if( $args['category'] ) {
+		if ($args['category']) {
 			$course_args['tax_query'][] = array(
 				'taxonomy' => 'course-category',
 				'field' => 'id',
@@ -353,11 +353,11 @@ 
 			);
 		}
 
-		if( $args['search'] ) {
+		if ($args['search']) {
 			$course_args['s'] = $args['search'];
 		}
 
-		$courses_query = new WP_Query( apply_filters( 'sensei_learners_filter_courses', $course_args ) );
+		$courses_query = new WP_Query(apply_filters('sensei_learners_filter_courses', $course_args));
 
 		$this->total_items = $courses_query->found_posts;
 		return $courses_query->posts;
@@ -368,7 +368,7 @@ 
 	 * @since  1.7.0
 	 * @return array lessons
 	 */
-	private function get_lessons( $args ) {
+	private function get_lessons($args) {
 		$lesson_args = array(
 			'post_type' => 'lesson',
 			'post_status' => 'publish',
@@ -378,18 +378,18 @@ 
 			'order' => $args['order'],
 		);
 
-		if( $this->course_id ) {
+		if ($this->course_id) {
 			$lesson_args['meta_query'][] = array(
 				'key' => '_lesson_course',
 				'value' => $this->course_id,
 			);
 		}
 
-		if( $args['search'] ) {
+		if ($args['search']) {
 			$lesson_args['s'] = $args['search'];
 		}
 
-		$lessons_query = new WP_Query( apply_filters( 'sensei_learners_filter_lessons', $lesson_args ) );
+		$lessons_query = new WP_Query(apply_filters('sensei_learners_filter_lessons', $lesson_args));
 
 		$this->total_items = $lessons_query->found_posts;
 		return $lessons_query->posts;
@@ -400,22 +400,22 @@ 
 	 * @since  1.7.0
 	 * @return array learners
 	 */
-	private function get_learners( $args ) {
+	private function get_learners($args) {
 
 		$user_ids = false;
 		$post_id = 0;
 		$activity = '';
 
-		if( $this->lesson_id ) {
-			$post_id = intval( $this->lesson_id );
+		if ($this->lesson_id) {
+			$post_id = intval($this->lesson_id);
 			$activity = 'sensei_lesson_status';
 		}
-		elseif( $this->course_id ) {
-			$post_id = intval( $this->course_id );
+		elseif ($this->course_id) {
+			$post_id = intval($this->course_id);
 			$activity = 'sensei_course_status';
 		}
 
-		if( ! $post_id || ! $activity ) {
+		if ( ! $post_id || ! $activity) {
 			$this->total_items = 0;
 			return array();
 		}
@@ -431,32 +431,32 @@ 
 			);
 
 		// Searching users on statuses requires sub-selecting the statuses by user_ids
-		if ( $args['search'] ) {
+		if ($args['search']) {
 			$user_args = array(
-				'search' => '*' . $args['search'] . '*',
+				'search' => '*'.$args['search'].'*',
 				'fields' => 'ID'
 			);
 			// Filter for extending
-			$user_args = apply_filters( 'sensei_learners_search_users', $user_args );
-			if ( !empty( $user_args ) ) {
-				$learners_search = new WP_User_Query( $user_args );
+			$user_args = apply_filters('sensei_learners_search_users', $user_args);
+			if ( ! empty($user_args)) {
+				$learners_search = new WP_User_Query($user_args);
 				$activity_args['user_id'] = $learners_search->get_results();
 			}
 		}
 
-		$activity_args = apply_filters( 'sensei_learners_filter_users', $activity_args );
+		$activity_args = apply_filters('sensei_learners_filter_users', $activity_args);
 
 		// WP_Comment_Query doesn't support SQL_CALC_FOUND_ROWS, so instead do this twice
-		$total_learners = Sensei_Utils::sensei_check_for_activity( array_merge( $activity_args, array('count' => true, 'offset' => 0, 'number' => 0) ) );
+		$total_learners = Sensei_Utils::sensei_check_for_activity(array_merge($activity_args, array('count' => true, 'offset' => 0, 'number' => 0)));
 		// Ensure we change our range to fit (in case a search threw off the pagination) - Should this be added to all views?
-		if ( $total_learners < $activity_args['offset'] ) {
-			$new_paged = floor( $total_learners / $activity_args['number'] );
+		if ($total_learners < $activity_args['offset']) {
+			$new_paged = floor($total_learners / $activity_args['number']);
 			$activity_args['offset'] = $new_paged * $activity_args['number'];
 		}
-		$learners = Sensei_Utils::sensei_check_for_activity( $activity_args, true );
+		$learners = Sensei_Utils::sensei_check_for_activity($activity_args, true);
 		// Need to always return an array, even with only 1 item
-		if ( !is_array($learners) ) {
-			$learners = array( $learners );
+		if ( ! is_array($learners)) {
+			$learners = array($learners);
 		}
 		$this->total_items = $total_learners;
 		return $learners;
@@ -469,22 +469,22 @@ 
 	 * @return void
 	 */
 	public function no_items() {
-		switch( $this->view ) {
+		switch ($this->view) {
 			case 'learners' :
-				$text = __( 'No learners found.', 'woothemes-sensei' );
+				$text = __('No learners found.', 'woothemes-sensei');
 				break;
 
 			case 'lessons' :
-				$text = __( 'No lessons found.', 'woothemes-sensei' );
+				$text = __('No lessons found.', 'woothemes-sensei');
 				break;
 
 			case 'courses':
 			case 'default':
 			default:
-				$text = __( 'No courses found.', 'woothemes-sensei' );
+				$text = __('No courses found.', 'woothemes-sensei');
 				break;
 		}
-		echo apply_filters( 'sensei_learners_no_items_text', $text );
+		echo apply_filters('sensei_learners_no_items_text', $text);
 	} // End no_items()
 
 	/**
@@ -495,40 +495,40 @@ 
 	public function data_table_header() {
 
 		echo '<div class="learners-selects">';
-		do_action( 'sensei_learners_before_dropdown_filters' );
+		do_action('sensei_learners_before_dropdown_filters');
 
 		// Display Course Categories only on default view
-		if( 'courses' == $this->view ) {
+		if ('courses' == $this->view) {
 
 			$selected_cat = 0;
-			if ( isset( $_GET['course_cat'] ) && '' != esc_html( $_GET['course_cat'] ) ) {
-				$selected_cat = intval( $_GET['course_cat'] );
+			if (isset($_GET['course_cat']) && '' != esc_html($_GET['course_cat'])) {
+				$selected_cat = intval($_GET['course_cat']);
 			}
 
-			$cats = get_terms( 'course-category', array( 'hide_empty' => false ) );
+			$cats = get_terms('course-category', array('hide_empty' => false));
 
-			echo '<div class="select-box">' . "\n";
+			echo '<div class="select-box">'."\n";
 
-				echo '<select id="course-category-options" data-placeholder="' . __( 'Course Category', 'woothemes-sensei' ) . '" name="learners_course_cat" class="chosen_select widefat">' . "\n";
+				echo '<select id="course-category-options" data-placeholder="'.__('Course Category', 'woothemes-sensei').'" name="learners_course_cat" class="chosen_select widefat">'."\n";
 
-					echo '<option value="0">' . __( 'All Course Categories', 'woothemes-sensei' ) . '</option>' . "\n";
+					echo '<option value="0">'.__('All Course Categories', 'woothemes-sensei').'</option>'."\n";
 
-					foreach( $cats as $cat ) {
-						echo '<option value="' . $cat->term_id . '"' . selected( $cat->term_id, $selected_cat, false ) . '>' . $cat->name . '</option>' . "\n";
+					foreach ($cats as $cat) {
+						echo '<option value="'.$cat->term_id.'"'.selected($cat->term_id, $selected_cat, false).'>'.$cat->name.'</option>'."\n";
 					}
 
-				echo '</select>' . "\n";
+				echo '</select>'."\n";
 
-			echo '</div>' . "\n";
+			echo '</div>'."\n";
 		}
 		echo '</div><!-- /.learners-selects -->';
 
 		$menu = array();
 		// Have Course no Lesson
-		if( $this->course_id && ! $this->lesson_id ) {
+		if ($this->course_id && ! $this->lesson_id) {
 
 			$learners_class = $lessons_class = '';
-			switch( $this->view ) {
+			switch ($this->view) {
 				case 'learners':
 					$learners_class = 'current';
 				break;
@@ -547,12 +547,12 @@ 
 			$learner_args['view'] = 'learners';
 			$lesson_args['view'] = 'lessons';
 
-			$menu['learners'] = '<a class="' . $learners_class . '" href="' . esc_url( add_query_arg( $learner_args, admin_url( 'admin.php' ) ) ) . '">' . __( 'Learners', 'woothemes-sensei' ) . '</a>';
-			$menu['lessons'] = '<a class="' . $lessons_class . '" href="' . esc_url( add_query_arg( $lesson_args, admin_url( 'admin.php' ) ) ) . '">' . __( 'Lessons', 'woothemes-sensei' ) . '</a>';
+			$menu['learners'] = '<a class="'.$learners_class.'" href="'.esc_url(add_query_arg($learner_args, admin_url('admin.php'))).'">'.__('Learners', 'woothemes-sensei').'</a>';
+			$menu['lessons'] = '<a class="'.$lessons_class.'" href="'.esc_url(add_query_arg($lesson_args, admin_url('admin.php'))).'">'.__('Lessons', 'woothemes-sensei').'</a>';
 
 		} 
 		// Have Course and Lesson
-		elseif( $this->course_id && $this->lesson_id ) {
+		elseif ($this->course_id && $this->lesson_id) {
 
 			$query_args = array(
 				'page' => $this->page_slug,
@@ -560,18 +560,18 @@ 
 				'view' => 'lessons'
 			);
 
-			$course = get_the_title( $this->course_id );
+			$course = get_the_title($this->course_id);
 
-			$menu['back'] = '<a href="' . esc_url( add_query_arg( $query_args, admin_url( 'admin.php' ) ) ) . '">' . sprintf( __( '%1$sBack to %2$s%3$s', 'woothemes-sensei' ), '<em>&larr; ', $course, '</em>' ) . '</a>';
+			$menu['back'] = '<a href="'.esc_url(add_query_arg($query_args, admin_url('admin.php'))).'">'.sprintf(__('%1$sBack to %2$s%3$s', 'woothemes-sensei'), '<em>&larr; ', $course, '</em>').'</a>';
 		}
-		$menu = apply_filters( 'sensei_learners_sub_menu', $menu );
-		if ( !empty($menu) ) {
-			echo '<ul class="subsubsub">' . "\n";
-			foreach ( $menu as $class => $item ) {
-				$menu[ $class ] = "\t<li class='$class'>$item";
+		$menu = apply_filters('sensei_learners_sub_menu', $menu);
+		if ( ! empty($menu)) {
+			echo '<ul class="subsubsub">'."\n";
+			foreach ($menu as $class => $item) {
+				$menu[$class] = "\t<li class='$class'>$item";
 			}
-			echo implode( " |</li>\n", $menu ) . "</li>\n";
-			echo '</ul>' . "\n";
+			echo implode(" |</li>\n", $menu)."</li>\n";
+			echo '</ul>'."\n";
 		}
 
 	} // End data_table_header()
@@ -596,50 +596,50 @@ 
 		$form_post_type = '';
 		$form_course_id = 0;
 		$form_lesson_id = 0;
-		if( $this->course_id && ! $this->lesson_id ) {
-			$post_title = get_the_title( $this->course_id );
-			$post_type = __( 'Course', 'woothemes-sensei' );
+		if ($this->course_id && ! $this->lesson_id) {
+			$post_title = get_the_title($this->course_id);
+			$post_type = __('Course', 'woothemes-sensei');
 			$form_post_type = 'course';
 			$form_course_id = $this->course_id;
 		}
-		elseif( $this->course_id && $this->lesson_id ) {
-			$post_title = get_the_title( $this->lesson_id );
-			$post_type = __( 'Lesson', 'woothemes-sensei' );
+		elseif ($this->course_id && $this->lesson_id) {
+			$post_title = get_the_title($this->lesson_id);
+			$post_type = __('Lesson', 'woothemes-sensei');
 			$form_post_type = 'lesson';
 			$form_course_id = $this->course_id;
 			$form_lesson_id = $this->lesson_id;
-			$course_title = get_the_title( $this->course_id );
+			$course_title = get_the_title($this->course_id);
 		}
-		if ( empty($form_post_type) ) {
+		if (empty($form_post_type)) {
 			return;
 		}
 		?>
 		<div class="postbox">
-			<h3><span><?php printf( __( 'Add Learner to %1$s', 'woothemes-sensei' ), $post_type ); ?></span></h3>
+			<h3><span><?php printf(__('Add Learner to %1$s', 'woothemes-sensei'), $post_type); ?></span></h3>
 			<div class="inside">
 				<form name="add_learner" action="" method="post">
 					<p>
-						<input name="add_user_id" placeholder="<?php _e( 'Find learner', 'woothemes-sensei' ) ;?>" id="add_learner_search" style="min-width:300px;" />
-						<?php if( 'lesson' == $form_post_type ) { ?>
-							<label for="add_complete_lesson"><input type="checkbox" id="add_complete_lesson" name="add_complete_lesson"  value="yes" /> <?php _e( 'Complete lesson for learner', 'woothemes-sensei' ); ?></label>
-						<?php } elseif( 'course' == $form_post_type ) { ?>
-							<label for="add_complete_course"><input type="checkbox" id="add_complete_course" name="add_complete_course"  value="yes" /> <?php _e( 'Complete course for learner', 'woothemes-sensei' ); ?></label>
+						<input name="add_user_id" placeholder="<?php _e('Find learner', 'woothemes-sensei'); ?>" id="add_learner_search" style="min-width:300px;" />
+						<?php if ('lesson' == $form_post_type) { ?>
+							<label for="add_complete_lesson"><input type="checkbox" id="add_complete_lesson" name="add_complete_lesson"  value="yes" /> <?php _e('Complete lesson for learner', 'woothemes-sensei'); ?></label>
+						<?php } elseif ('course' == $form_post_type) { ?>
+							<label for="add_complete_course"><input type="checkbox" id="add_complete_course" name="add_complete_course"  value="yes" /> <?php _e('Complete course for learner', 'woothemes-sensei'); ?></label>
 						<?php } ?>
 						<br/>
-						<span class="description"><?php _e( 'Search for a user by typing their name or username.', 'woothemes-sensei' ); ?></span>
+						<span class="description"><?php _e('Search for a user by typing their name or username.', 'woothemes-sensei'); ?></span>
 					</p>
-					<p><?php submit_button( sprintf( __( 'Add to \'%1$s\'', 'woothemes-sensei' ), $post_title ), 'primary', 'add_learner_submit', false, array() ); ?></p>
-					<?php if( 'lesson' == $form_post_type ) { ?>
-						<p><span class="description"><?php printf( __( 'Learner will also be added to the course \'%1$s\' if they are not already taking it.', 'woothemes-sensei' ), $course_title ); ?></span></p>
+					<p><?php submit_button(sprintf(__('Add to \'%1$s\'', 'woothemes-sensei'), $post_title), 'primary', 'add_learner_submit', false, array()); ?></p>
+					<?php if ('lesson' == $form_post_type) { ?>
+						<p><span class="description"><?php printf(__('Learner will also be added to the course \'%1$s\' if they are not already taking it.', 'woothemes-sensei'), $course_title); ?></span></p>
 					<?php } ?>
 
 					<input type="hidden" name="add_post_type" value="<?php echo $form_post_type; ?>" />
 					<input type="hidden" name="add_course_id" value="<?php echo $form_course_id; ?>" />
 					<input type="hidden" name="add_lesson_id" value="<?php echo $form_lesson_id; ?>" />
 					<?php
-						do_action( 'sensei_learners_add_learner_form' );
+						do_action('sensei_learners_add_learner_form');
 					?>
-					<?php wp_nonce_field( 'add_learner_to_sensei', 'add_learner_nonce' ); ?>
+					<?php wp_nonce_field('add_learner_to_sensei', 'add_learner_nonce'); ?>
 				</form>
 			</div>
 		</div>
@@ -651,19 +651,19 @@ 
 	 * @since  1.7.0
 	 * @return void
 	 */
-	public function search_button( $text = '' ) {
+	public function search_button($text = '') {
 
-		switch( $this->view ) {
+		switch ($this->view) {
 			case 'learners':
-				$text = __( 'Search Learners', 'woothemes-sensei' );
+				$text = __('Search Learners', 'woothemes-sensei');
 			break;
 
 			case 'lessons':
-				$text = __( 'Search Lessons', 'woothemes-sensei' );
+				$text = __('Search Lessons', 'woothemes-sensei');
 			break;
 
 			default:
-				$text = __( 'Search Courses', 'woothemes-sensei' );
+				$text = __('Search Courses', 'woothemes-sensei');
 			break;
 		}